[epage]

These leaves off several relevant string types, including ecow which was encouraged over smol_str [0]

See https://github.com/rosetta-rs/string-rosetta-rs for some more analysis. HipStr also has a decent table [1]

[0] https://www.reddit.com/r/rust/comments/117ksvr/ecow_compact_...

[1] https://crates.io/crates/hipstr