Cargo.toml

[package]
name = "no_std_library"
version = "0.1.0"
edition = "2024"

# Normally we'd put all dependencies in [dependencies], but this syntax is easier to document
[dependencies.bevy]
# In your library you'd use version = "x.y.z", but since this is an example inside the Bevy
# repository we use a path instead.
path = "../../../"
# Since `std` is a default feature, first we disable default features
default-features = false
# We're free to enable any features our library needs.
# Note that certain Bevy features rely on `std`.
features = [
  # "bevy_color",
  # "bevy_state",
]

[features]
# `no_std` is relatively niche, so we choose defaults to cater for the majority of our users.
default = ["std"]

# Below are some features we recommend libraries expose to assist with their usage and their own testing.

# Uses the Rust standard library.
std = ["bevy/std"]

# Uses `libm` for floating point functions.
libm = ["bevy/libm"]

# Rely on `critical-section` for synchronization primitives.
critical-section = ["bevy/critical-section"]

# Enables access to browser APIs in a web context.
web = ["bevy/web"]

[lints.clippy]
# These lints are very helpful when working on a library with `no_std` support.
# They will warn you if you import from `std` when you could've imported from `core` or `alloc`
# instead.
# Since `core` and `alloc` are available on any target that has `std`, there is no downside to this.
std_instead_of_core = "warn"
std_instead_of_alloc = "warn"
alloc_instead_of_core = "warn"