Ah, I see the ones for contains: https://github.com/rust-lang/rust/blob/f66fd2eed1/src/libcollections/str.rs#L1518 https://github.com/rust-lang/rust/blob/f66fd2

Ah, I see the ones for contains: https://github.com/rust-lang/rust/blob/f66fd2eed1/src/libcollections/str.rs#L1518 https://github.com/rust-lang/rust/blob/f66fd2eed1/src/libcol... Thanks for pointing them out.