char_index

A crate for ~O(1) charwise indexing into a string, without normally using as much memory as a Vec<char>.

Benchmarks

1000 "e"'s with 3 extra non ascii chars, shuffled: |Implementation|Memory Use|Index 200th codepoint| |-|-|-| |Vec<char>|4,012B|0.6ns| |IndexedChars|2,009B|4ns| |String|1,006B|126ns|

(data collected using benches/char_index.rs)

no_std

This crate is fully no_std, however it does rely on alloc.
A std feature may be added at a later date, but it is currently unknown what that would include.

License

This crate is licensed under MPL-2.0, this is a weak copyleft license intended to keep any modifications to the core library open source, without affecting other requirements greatly. This is not legal advice.