library/core/Cargo.toml

[package]
name = "core"
version = "0.0.0"
license = "MIT OR Apache-2.0"
repository = "https://github.com/rust-lang/rust.git"
description = "The Rust Core Library"
autotests = false
autobenches = false
# If you update this, be sure to update it in a bunch of other places too!
# As of 2024, it was src/tools/opt-dist, the core-no-fp-fmt-parse test and
# the version of the prelude imported in core/lib.rs.
edition = "2024"

[lib]
test = false
bench = false

[features]
# Make panics and failed asserts immediately abort without formatting any message
panic_immediate_abort = []
# Choose algorithms that are optimized for binary size instead of runtime performance
optimize_for_size = []
# Make `RefCell` store additional debugging information, which is printed out when
# a borrow error occurs
debug_refcell = []

[lints.rust.unexpected_cfgs]
level = "warn"
check-cfg = [
    'cfg(no_fp_fmt_parse)',
    # core use #[path] imports to portable-simd `core_simd` crate
    # and to stdarch `core_arch` crate which messes-up with Cargo list
    # of declared features, we therefor expect any feature cfg
    'cfg(feature, values(any()))',
    # Internal features aren't marked known config by default, we use these to
    # gate tests.
    'cfg(target_has_reliable_f16)',
    'cfg(target_has_reliable_f16_math)',
    'cfg(target_has_reliable_f128)',
    'cfg(target_has_reliable_f128_math)',
]