cfg-if • 1.0.1A 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.
proc-macro2 • 1.0.95A substitute implementation of the compiler's `proc_macro` API to decouple token-based libraries from the procedural macro use case.
regex • 1.8.4An implementation of regular expressions for Rust. This implementation uses
finite automata and guarantees linear time matching on all inputs.
strsim • 0.10.0Implementations of string similarity metrics. Includes Hamming, Levenshtein,
OSA, Damerau-Levenshtein, Jaro, Jaro-Winkler, and Sørensen-Dice.