// core::str pub struct Utf8Chunks<'a> { ... } impl<'a> Utf8Chunks<'a> { pub fn new(bytes: &'a [u8]) -> Self; } impl<'a> Iterator for Utf8Chunks<'a> { type Item = Utf8Chunk<'a>; } impl<'a> Clone for Utf8Chunks<'a>; impl<'a> Debug for Utf8Chunks<'a>; impl<'a> FusedIterator for Utf8Chunks<'a>; pub struct Utf8Chunk<'a> { ... } impl<'a> Utf8Chunk<'a> { pub fn valid(&self) -> &'a str; pub fn invalid(&self) -> &'a [u8]; } impl<'a> Clone for Utf8Chunk<'a>; impl<'a> Debug for Utf8Chunk<'a>; impl<'a> PartialEq for Utf8Chunk<'a>; impl<'a> Eq for Utf8Chunk<'a>;