cfg-if • 1.0.0A macro to ergonomically define an item depending on a large number of #[cfg]
parameters. Structured like an if-else chain, the first matching branch is the
item that gets emitted.
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cpufeatures • 0.2.16Lightweight runtime CPU feature detection for aarch64, loongarch64, and x86/x86_64 targets,
with no_std support and support for mobile targets including Android and iOS
proc-macro2 • 1.0.92A substitute implementation of the compiler's `proc_macro` API to decouple token-based libraries from the procedural macro use case.
typenum • 1.17.0Typenum is a Rust library for type-level numbers evaluated at
compile time. It currently supports bits, unsigned integers, and signed
integers. It also provides a type-level array of type-level numbers, but its
implementation is incomplete.
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ucd-trie • 0.1.7A trie for storing Unicode codepoint sets and maps.
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version_check • 0.9.5Tiny crate to check the version of the installed/running rustc.