That's not true for Rust; Rust generally supports iterating by bytes and by codepoints, but the grandparent is talking about grapheme clusters. You need an exte

That's not true for Rust; Rust generally supports iterating by bytes and by codepoints, but the grandparent is talking about grapheme clusters. You need an external libary for that. The generally endorsed solution is to use the unicode-segmentation crate: https://crates.io/crates/unicode-segmentation https://crates.io/crates/unicode-segmentation