Rust doesn't have it built in, but it's part of itertools: https://docs.rs/itertools/latest/itertools/trait.Itertools.html#method.chunk_by https://docs.rs/itert

Rust doesn't have it built in, but it's part of itertools: https://docs.rs/itertools/latest/itertools/trait.Itertools.html#method.chunk_by https://docs.rs/itertools/latest/itertools/trait.Itertools.h... This may eventually be upstreamed: https://github.com/rust-itertools/itertools/issues/1026 https://github.com/rust-itertools/itertools/issues/1026