CoCalc -- many-arguments

GitHub Repository: bytecodealliance/wasmtime
Path: blob/main/crates/component-macro/tests/expanded/many-arguments_async.rs
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/// Auto-generated bindings for a pre-instantiated version of a
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/// component which implements the world `the-world`.
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///
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/// This structure is created through [`TheWorldPre::new`] which
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/// takes a [`InstancePre`](wasmtime::component::InstancePre) that
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/// has been created through a [`Linker`](wasmtime::component::Linker).
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///
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/// For more information see [`TheWorld`] as well.
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pub struct TheWorldPre<T: 'static> {
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    instance_pre: wasmtime::component::InstancePre<T>,
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    indices: TheWorldIndices,
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}
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impl<T: 'static> Clone for TheWorldPre<T> {
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    fn clone(&self) -> Self {
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        Self {
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            instance_pre: self.instance_pre.clone(),
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            indices: self.indices.clone(),
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        }
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    }
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}
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impl<_T: 'static> TheWorldPre<_T> {
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    /// Creates a new copy of `TheWorldPre` bindings which can then
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    /// be used to instantiate into a particular store.
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    ///
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    /// This method may fail if the component behind `instance_pre`
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    /// does not have the required exports.
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    pub fn new(
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        instance_pre: wasmtime::component::InstancePre<_T>,
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    ) -> wasmtime::Result<Self> {
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        let indices = TheWorldIndices::new(&instance_pre)?;
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        Ok(Self { instance_pre, indices })
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    }
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    pub fn engine(&self) -> &wasmtime::Engine {
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        self.instance_pre.engine()
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    }
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    pub fn instance_pre(&self) -> &wasmtime::component::InstancePre<_T> {
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        &self.instance_pre
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    }
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    /// Instantiates a new instance of [`TheWorld`] within the
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    /// `store` provided.
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    ///
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    /// This function will use `self` as the pre-instantiated
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    /// instance to perform instantiation. Afterwards the preloaded
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    /// indices in `self` are used to lookup all exports on the
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    /// resulting instance.
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    pub fn instantiate(
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        &self,
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        mut store: impl wasmtime::AsContextMut<Data = _T>,
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    ) -> wasmtime::Result<TheWorld> {
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        let mut store = store.as_context_mut();
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        let instance = self.instance_pre.instantiate(&mut store)?;
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        self.indices.load(&mut store, &instance)
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    }
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}
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impl<_T: Send + 'static> TheWorldPre<_T> {
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    /// Same as [`Self::instantiate`], except with `async`.
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    pub async fn instantiate_async(
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        &self,
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        mut store: impl wasmtime::AsContextMut<Data = _T>,
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    ) -> wasmtime::Result<TheWorld> {
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        let mut store = store.as_context_mut();
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        let instance = self.instance_pre.instantiate_async(&mut store).await?;
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        self.indices.load(&mut store, &instance)
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    }
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}
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/// Auto-generated bindings for index of the exports of
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/// `the-world`.
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///
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/// This is an implementation detail of [`TheWorldPre`] and can
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/// be constructed if needed as well.
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///
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/// For more information see [`TheWorld`] as well.
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#[derive(Clone)]
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pub struct TheWorldIndices {
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    interface0: exports::foo::foo::manyarg::GuestIndices,
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}
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/// Auto-generated bindings for an instance a component which
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/// implements the world `the-world`.
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///
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/// This structure can be created through a number of means
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/// depending on your requirements and what you have on hand:
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///
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/// * The most convenient way is to use
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///   [`TheWorld::instantiate`] which only needs a
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///   [`Store`], [`Component`], and [`Linker`].
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///
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/// * Alternatively you can create a [`TheWorldPre`] ahead of
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///   time with a [`Component`] to front-load string lookups
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///   of exports once instead of per-instantiation. This
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///   method then uses [`TheWorldPre::instantiate`] to
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///   create a [`TheWorld`].
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///
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/// * If you've instantiated the instance yourself already
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///   then you can use [`TheWorld::new`].
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///
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/// These methods are all equivalent to one another and move
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/// around the tradeoff of what work is performed when.
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///
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/// [`Store`]: wasmtime::Store
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/// [`Component`]: wasmtime::component::Component
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/// [`Linker`]: wasmtime::component::Linker
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pub struct TheWorld {
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    interface0: exports::foo::foo::manyarg::Guest,
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}
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const _: () = {
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    impl TheWorldIndices {
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        /// Creates a new copy of `TheWorldIndices` bindings which can then
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        /// be used to instantiate into a particular store.
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        ///
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        /// This method may fail if the component does not have the
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        /// required exports.
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        pub fn new<_T>(
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            _instance_pre: &wasmtime::component::InstancePre<_T>,
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        ) -> wasmtime::Result<Self> {
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            let _component = _instance_pre.component();
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            let _instance_type = _instance_pre.instance_type();
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            let interface0 = exports::foo::foo::manyarg::GuestIndices::new(
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                _instance_pre,
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            )?;
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            Ok(TheWorldIndices { interface0 })
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        }
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        /// Uses the indices stored in `self` to load an instance
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        /// of [`TheWorld`] from the instance provided.
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        ///
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        /// Note that at this time this method will additionally
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        /// perform type-checks of all exports.
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        pub fn load(
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            &self,
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            mut store: impl wasmtime::AsContextMut,
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            instance: &wasmtime::component::Instance,
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        ) -> wasmtime::Result<TheWorld> {
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            let _ = &mut store;
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            let _instance = instance;
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            let interface0 = self.interface0.load(&mut store, &_instance)?;
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            Ok(TheWorld { interface0 })
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        }
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    }
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    impl TheWorld {
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        /// Convenience wrapper around [`TheWorldPre::new`] and
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        /// [`TheWorldPre::instantiate`].
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        pub fn instantiate<_T>(
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            store: impl wasmtime::AsContextMut<Data = _T>,
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            component: &wasmtime::component::Component,
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            linker: &wasmtime::component::Linker<_T>,
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        ) -> wasmtime::Result<TheWorld> {
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            let pre = linker.instantiate_pre(component)?;
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            TheWorldPre::new(pre)?.instantiate(store)
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        }
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        /// Convenience wrapper around [`TheWorldIndices::new`] and
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        /// [`TheWorldIndices::load`].
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        pub fn new(
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            mut store: impl wasmtime::AsContextMut,
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            instance: &wasmtime::component::Instance,
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        ) -> wasmtime::Result<TheWorld> {
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            let indices = TheWorldIndices::new(&instance.instance_pre(&store))?;
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            indices.load(&mut store, instance)
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        }
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        /// Convenience wrapper around [`TheWorldPre::new`] and
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        /// [`TheWorldPre::instantiate_async`].
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        pub async fn instantiate_async<_T>(
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            store: impl wasmtime::AsContextMut<Data = _T>,
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            component: &wasmtime::component::Component,
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            linker: &wasmtime::component::Linker<_T>,
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        ) -> wasmtime::Result<TheWorld>
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        where
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            _T: Send,
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        {
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            let pre = linker.instantiate_pre(component)?;
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            TheWorldPre::new(pre)?.instantiate_async(store).await
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        }
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        pub fn add_to_linker<T, D>(
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            linker: &mut wasmtime::component::Linker<T>,
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            host_getter: fn(&mut T) -> D::Data<'_>,
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        ) -> wasmtime::Result<()>
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        where
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            D: foo::foo::manyarg::HostWithStore + Send,
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            for<'a> D::Data<'a>: foo::foo::manyarg::Host + Send,
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            T: 'static + Send,
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        {
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            foo::foo::manyarg::add_to_linker::<T, D>(linker, host_getter)?;
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            Ok(())
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        }
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        pub fn foo_foo_manyarg(&self) -> &exports::foo::foo::manyarg::Guest {
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            &self.interface0
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        }
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    }
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};
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pub mod foo {
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    pub mod foo {
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        #[allow(clippy::all)]
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        pub mod manyarg {
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            #[allow(unused_imports)]
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            use wasmtime::component::__internal::Box;
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            #[derive(wasmtime::component::ComponentType)]
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            #[derive(wasmtime::component::Lift)]
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            #[derive(wasmtime::component::Lower)]
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            #[component(record)]
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            #[derive(Clone)]
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            pub struct BigStruct {
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                #[component(name = "a1")]
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                pub a1: wasmtime::component::__internal::String,
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                #[component(name = "a2")]
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                pub a2: wasmtime::component::__internal::String,
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                #[component(name = "a3")]
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                pub a3: wasmtime::component::__internal::String,
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                #[component(name = "a4")]
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                pub a4: wasmtime::component::__internal::String,
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                #[component(name = "a5")]
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                pub a5: wasmtime::component::__internal::String,
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                #[component(name = "a6")]
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                pub a6: wasmtime::component::__internal::String,
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                #[component(name = "a7")]
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                pub a7: wasmtime::component::__internal::String,
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                #[component(name = "a8")]
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                pub a8: wasmtime::component::__internal::String,
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                #[component(name = "a9")]
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                pub a9: wasmtime::component::__internal::String,
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                #[component(name = "a10")]
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                pub a10: wasmtime::component::__internal::String,
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                #[component(name = "a11")]
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                pub a11: wasmtime::component::__internal::String,
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                #[component(name = "a12")]
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                pub a12: wasmtime::component::__internal::String,
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                #[component(name = "a13")]
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                pub a13: wasmtime::component::__internal::String,
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                #[component(name = "a14")]
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                pub a14: wasmtime::component::__internal::String,
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                #[component(name = "a15")]
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                pub a15: wasmtime::component::__internal::String,
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                #[component(name = "a16")]
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                pub a16: wasmtime::component::__internal::String,
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                #[component(name = "a17")]
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                pub a17: wasmtime::component::__internal::String,
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                #[component(name = "a18")]
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                pub a18: wasmtime::component::__internal::String,
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                #[component(name = "a19")]
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                pub a19: wasmtime::component::__internal::String,
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                #[component(name = "a20")]
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                pub a20: wasmtime::component::__internal::String,
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            }
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            impl core::fmt::Debug for BigStruct {
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                fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
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                    f.debug_struct("BigStruct")
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                        .field("a1", &self.a1)
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                        .field("a2", &self.a2)
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                        .field("a3", &self.a3)
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                        .field("a4", &self.a4)
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                        .field("a5", &self.a5)
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                        .field("a6", &self.a6)
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                        .field("a7", &self.a7)
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                        .field("a8", &self.a8)
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                        .field("a9", &self.a9)
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                        .field("a10", &self.a10)
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                        .field("a11", &self.a11)
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                        .field("a12", &self.a12)
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                        .field("a13", &self.a13)
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                        .field("a14", &self.a14)
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                        .field("a15", &self.a15)
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                        .field("a16", &self.a16)
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                        .field("a17", &self.a17)
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                        .field("a18", &self.a18)
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                        .field("a19", &self.a19)
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                        .field("a20", &self.a20)
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                        .finish()
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                }
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            }
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            const _: () = {
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                assert!(
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                    160 == < BigStruct as wasmtime::component::ComponentType >::SIZE32
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                );
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                assert!(
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                    4 == < BigStruct as wasmtime::component::ComponentType >::ALIGN32
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                );
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            };
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            pub trait HostWithStore: wasmtime::component::HasData + Send {}
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            impl<_T: ?Sized> HostWithStore for _T
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            where
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                _T: wasmtime::component::HasData + Send,
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            {}
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            pub trait Host: Send {
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                fn many_args(
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                    &mut self,
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                    a1: u64,
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                    a2: u64,
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                    a3: u64,
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                    a4: u64,
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                    a5: u64,
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                    a6: u64,
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                    a7: u64,
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                    a8: u64,
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                    a9: u64,
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                    a10: u64,
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                    a11: u64,
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                    a12: u64,
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                    a13: u64,
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                    a14: u64,
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                    a15: u64,
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                    a16: u64,
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                ) -> impl ::core::future::Future<Output = ()> + Send;
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                fn big_argument(
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                    &mut self,
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                    x: BigStruct,
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                ) -> impl ::core::future::Future<Output = ()> + Send;
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            }
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            impl<_T: Host + ?Sized + Send> Host for &mut _T {
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                fn many_args(
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                    &mut self,
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                    a1: u64,
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                    a2: u64,
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                    a3: u64,
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                    a4: u64,
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                    a5: u64,
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                    a6: u64,
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                    a7: u64,
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                    a8: u64,
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                    a9: u64,
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                    a10: u64,
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                    a11: u64,
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                    a12: u64,
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                    a13: u64,
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                    a14: u64,
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                    a15: u64,
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                    a16: u64,
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                ) -> impl ::core::future::Future<Output = ()> + Send {
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                    async move {
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                        Host::many_args(
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                                *self,
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                                a1,
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                                a2,
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                                a3,
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                                a4,
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                                a5,
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                                a6,
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                                a7,
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                                a8,
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                                a9,
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                                a10,
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                                a11,
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                                a12,
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                                a13,
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                                a14,
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                                a15,
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                                a16,
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                            )
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                            .await
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                    }
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                }
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                fn big_argument(
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                    &mut self,
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                    x: BigStruct,
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                ) -> impl ::core::future::Future<Output = ()> + Send {
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                    async move { Host::big_argument(*self, x).await }
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                }
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            }
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            pub fn add_to_linker<T, D>(
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                linker: &mut wasmtime::component::Linker<T>,
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                host_getter: fn(&mut T) -> D::Data<'_>,
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            ) -> wasmtime::Result<()>
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            where
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                D: HostWithStore,
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                for<'a> D::Data<'a>: Host,
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                T: 'static + Send,
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            {
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                let mut inst = linker.instance("foo:foo/manyarg")?;
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                inst.func_wrap_async(
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                    "many-args",
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                    move |
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                        mut caller: wasmtime::StoreContextMut<'_, T>,
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                        (
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                            arg0,
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                            arg1,
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                            arg2,
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                            arg3,
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                            arg4,
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                            arg5,
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                            arg6,
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                            arg7,
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                            arg8,
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                            arg9,
380
                            arg10,
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                            arg11,
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                            arg12,
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                            arg13,
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                            arg14,
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                            arg15,
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                        ): (
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                            u64,
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                            u64,
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                            u64,
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                            u64,
391
                            u64,
392
                            u64,
393
                            u64,
394
                            u64,
395
                            u64,
396
                            u64,
397
                            u64,
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                            u64,
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                            u64,
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                            u64,
401
                            u64,
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                            u64,
403
                        )|
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                    {
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                        wasmtime::component::__internal::Box::new(async move {
406
                            let host = &mut host_getter(caller.data_mut());
407
                            let r = Host::many_args(
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                                    host,
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                                    arg0,
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                                    arg1,
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                                    arg2,
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                                    arg3,
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                                    arg4,
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                                    arg5,
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                                    arg6,
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                                    arg7,
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                                    arg8,
418
                                    arg9,
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                                    arg10,
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                                    arg11,
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                                    arg12,
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                                    arg13,
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                                    arg14,
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                                    arg15,
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                                )
426
                                .await;
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                            Ok(r)
428
                        })
429
                    },
430
                )?;
431
                inst.func_wrap_async(
432
                    "big-argument",
433
                    move |
434
                        mut caller: wasmtime::StoreContextMut<'_, T>,
435
                        (arg0,): (BigStruct,)|
436
                    {
437
                        wasmtime::component::__internal::Box::new(async move {
438
                            let host = &mut host_getter(caller.data_mut());
439
                            let r = Host::big_argument(host, arg0).await;
440
                            Ok(r)
441
                        })
442
                    },
443
                )?;
444
                Ok(())
445
            }
446
        }
447
    }
448
}
449
pub mod exports {
450
    pub mod foo {
451
        pub mod foo {
452
            #[allow(clippy::all)]
453
            pub mod manyarg {
454
                #[allow(unused_imports)]
455
                use wasmtime::component::__internal::Box;
456
                #[derive(wasmtime::component::ComponentType)]
457
                #[derive(wasmtime::component::Lift)]
458
                #[derive(wasmtime::component::Lower)]
459
                #[component(record)]
460
                #[derive(Clone)]
461
                pub struct BigStruct {
462
                    #[component(name = "a1")]
463
                    pub a1: wasmtime::component::__internal::String,
464
                    #[component(name = "a2")]
465
                    pub a2: wasmtime::component::__internal::String,
466
                    #[component(name = "a3")]
467
                    pub a3: wasmtime::component::__internal::String,
468
                    #[component(name = "a4")]
469
                    pub a4: wasmtime::component::__internal::String,
470
                    #[component(name = "a5")]
471
                    pub a5: wasmtime::component::__internal::String,
472
                    #[component(name = "a6")]
473
                    pub a6: wasmtime::component::__internal::String,
474
                    #[component(name = "a7")]
475
                    pub a7: wasmtime::component::__internal::String,
476
                    #[component(name = "a8")]
477
                    pub a8: wasmtime::component::__internal::String,
478
                    #[component(name = "a9")]
479
                    pub a9: wasmtime::component::__internal::String,
480
                    #[component(name = "a10")]
481
                    pub a10: wasmtime::component::__internal::String,
482
                    #[component(name = "a11")]
483
                    pub a11: wasmtime::component::__internal::String,
484
                    #[component(name = "a12")]
485
                    pub a12: wasmtime::component::__internal::String,
486
                    #[component(name = "a13")]
487
                    pub a13: wasmtime::component::__internal::String,
488
                    #[component(name = "a14")]
489
                    pub a14: wasmtime::component::__internal::String,
490
                    #[component(name = "a15")]
491
                    pub a15: wasmtime::component::__internal::String,
492
                    #[component(name = "a16")]
493
                    pub a16: wasmtime::component::__internal::String,
494
                    #[component(name = "a17")]
495
                    pub a17: wasmtime::component::__internal::String,
496
                    #[component(name = "a18")]
497
                    pub a18: wasmtime::component::__internal::String,
498
                    #[component(name = "a19")]
499
                    pub a19: wasmtime::component::__internal::String,
500
                    #[component(name = "a20")]
501
                    pub a20: wasmtime::component::__internal::String,
502
                }
503
                impl core::fmt::Debug for BigStruct {
504
                    fn fmt(
505
                        &self,
506
                        f: &mut core::fmt::Formatter<'_>,
507
                    ) -> core::fmt::Result {
508
                        f.debug_struct("BigStruct")
509
                            .field("a1", &self.a1)
510
                            .field("a2", &self.a2)
511
                            .field("a3", &self.a3)
512
                            .field("a4", &self.a4)
513
                            .field("a5", &self.a5)
514
                            .field("a6", &self.a6)
515
                            .field("a7", &self.a7)
516
                            .field("a8", &self.a8)
517
                            .field("a9", &self.a9)
518
                            .field("a10", &self.a10)
519
                            .field("a11", &self.a11)
520
                            .field("a12", &self.a12)
521
                            .field("a13", &self.a13)
522
                            .field("a14", &self.a14)
523
                            .field("a15", &self.a15)
524
                            .field("a16", &self.a16)
525
                            .field("a17", &self.a17)
526
                            .field("a18", &self.a18)
527
                            .field("a19", &self.a19)
528
                            .field("a20", &self.a20)
529
                            .finish()
530
                    }
531
                }
532
                const _: () = {
533
                    assert!(
534
                        160 == < BigStruct as wasmtime::component::ComponentType
535
                        >::SIZE32
536
                    );
537
                    assert!(
538
                        4 == < BigStruct as wasmtime::component::ComponentType >::ALIGN32
539
                    );
540
                };
541
                #[derive(Clone)]
542
                pub struct Guest {
543
                    many_args: wasmtime::component::Func,
544
                    big_argument: wasmtime::component::Func,
545
                }
546
                #[derive(Clone)]
547
                pub struct GuestIndices {
548
                    many_args: wasmtime::component::ComponentExportIndex,
549
                    big_argument: wasmtime::component::ComponentExportIndex,
550
                }
551
                impl GuestIndices {
552
                    /// Constructor for [`GuestIndices`] which takes a
553
                    /// [`Component`](wasmtime::component::Component) as input and can be executed
554
                    /// before instantiation.
555
                    ///
556
                    /// This constructor can be used to front-load string lookups to find exports
557
                    /// within a component.
558
                    pub fn new<_T>(
559
                        _instance_pre: &wasmtime::component::InstancePre<_T>,
560
                    ) -> wasmtime::Result<GuestIndices> {
561
                        let instance = _instance_pre
562
                            .component()
563
                            .get_export_index(None, "foo:foo/manyarg")
564
                            .ok_or_else(|| {
565
                                wasmtime::format_err!(
566
                                    "no exported instance named `foo:foo/manyarg`"
567
                                )
568
                            })?;
569
                        let mut lookup = move |name| {
570
                            _instance_pre
571
                                .component()
572
                                .get_export_index(Some(&instance), name)
573
                                .ok_or_else(|| {
574
                                    wasmtime::format_err!(
575
                                        "instance export `foo:foo/manyarg` does \
576
                    not have export `{name}`"
577
                                    )
578
                                })
579
                        };
580
                        let _ = &mut lookup;
581
                        let many_args = lookup("many-args")?;
582
                        let big_argument = lookup("big-argument")?;
583
                        Ok(GuestIndices {
584
                            many_args,
585
                            big_argument,
586
                        })
587
                    }
588
                    pub fn load(
589
                        &self,
590
                        mut store: impl wasmtime::AsContextMut,
591
                        instance: &wasmtime::component::Instance,
592
                    ) -> wasmtime::Result<Guest> {
593
                        let _instance = instance;
594
                        let _instance_pre = _instance.instance_pre(&store);
595
                        let _instance_type = _instance_pre.instance_type();
596
                        let mut store = store.as_context_mut();
597
                        let _ = &mut store;
598
                        let many_args = *_instance
599
                            .get_typed_func::<
600
                                (
601
                                    u64,
602
                                    u64,
603
                                    u64,
604
                                    u64,
605
                                    u64,
606
                                    u64,
607
                                    u64,
608
                                    u64,
609
                                    u64,
610
                                    u64,
611
                                    u64,
612
                                    u64,
613
                                    u64,
614
                                    u64,
615
                                    u64,
616
                                    u64,
617
                                ),
618
                                (),
619
                            >(&mut store, &self.many_args)?
620
                            .func();
621
                        let big_argument = *_instance
622
                            .get_typed_func::<
623
                                (&BigStruct,),
624
                                (),
625
                            >(&mut store, &self.big_argument)?
626
                            .func();
627
                        Ok(Guest { many_args, big_argument })
628
                    }
629
                }
630
                impl Guest {
631
                    pub async fn call_many_args<S: wasmtime::AsContextMut>(
632
                        &self,
633
                        mut store: S,
634
                        arg0: u64,
635
                        arg1: u64,
636
                        arg2: u64,
637
                        arg3: u64,
638
                        arg4: u64,
639
                        arg5: u64,
640
                        arg6: u64,
641
                        arg7: u64,
642
                        arg8: u64,
643
                        arg9: u64,
644
                        arg10: u64,
645
                        arg11: u64,
646
                        arg12: u64,
647
                        arg13: u64,
648
                        arg14: u64,
649
                        arg15: u64,
650
                    ) -> wasmtime::Result<()>
651
                    where
652
                        <S as wasmtime::AsContext>::Data: Send,
653
                    {
654
                        let callee = unsafe {
655
                            wasmtime::component::TypedFunc::<
656
                                (
657
                                    u64,
658
                                    u64,
659
                                    u64,
660
                                    u64,
661
                                    u64,
662
                                    u64,
663
                                    u64,
664
                                    u64,
665
                                    u64,
666
                                    u64,
667
                                    u64,
668
                                    u64,
669
                                    u64,
670
                                    u64,
671
                                    u64,
672
                                    u64,
673
                                ),
674
                                (),
675
                            >::new_unchecked(self.many_args)
676
                        };
677
                        let () = callee
678
                            .call_async(
679
                                store.as_context_mut(),
680
                                (
681
                                    arg0,
682
                                    arg1,
683
                                    arg2,
684
                                    arg3,
685
                                    arg4,
686
                                    arg5,
687
                                    arg6,
688
                                    arg7,
689
                                    arg8,
690
                                    arg9,
691
                                    arg10,
692
                                    arg11,
693
                                    arg12,
694
                                    arg13,
695
                                    arg14,
696
                                    arg15,
697
                                ),
698
                            )
699
                            .await?;
700
                        Ok(())
701
                    }
702
                    pub async fn call_big_argument<S: wasmtime::AsContextMut>(
703
                        &self,
704
                        mut store: S,
705
                        arg0: &BigStruct,
706
                    ) -> wasmtime::Result<()>
707
                    where
708
                        <S as wasmtime::AsContext>::Data: Send,
709
                    {
710
                        let callee = unsafe {
711
                            wasmtime::component::TypedFunc::<
712
                                (&BigStruct,),
713
                                (),
714
                            >::new_unchecked(self.big_argument)
715
                        };
716
                        let () = callee
717
                            .call_async(store.as_context_mut(), (arg0,))
718
                            .await?;
719
                        Ok(())
720
                    }
721
                }
722
            }
723
        }
724
    }
725
}
726

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