bitflags • 2.6.0A macro to generate structures which behave like bitflags.
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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.
libc • 0.2.169Raw FFI bindings to platform libraries like libc.
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litrs • 0.4.1Parse and inspect Rust literals (i.e. tokens in the Rust programming language
representing fixed values). Particularly useful for proc macros, but can also
be used outside of a proc-macro context.
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lock_api • 0.4.12Wrappers to create fully-featured Mutex and RwLock types. Compatible with no_std.
parking_lot • 0.12.3More compact and efficient implementations of the standard synchronization primitives.
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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.
scopeguard • 1.2.0A RAII scope guard that will run a given closure when it goes out of scope,
even if the code between panics (assuming unwinding panic).
Defines the macros `defer!`, `defer_on_unwind!`, `defer_on_success!` as
shorthands for guards with one of the implemented strategies.