proc-macro2 • 0.4.30A 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.
INDIRECT
0
unicode-xid • 0.1.0Determine whether characters have the XID_Start
or XID_Continue properties according to
Unicode Standard Annex #31.