type CharRevIterator<'self> = Invert<CharIterator<'self>>;
External iterator for a string's characters in reverse order.
Use with the std::iterator module.
Prefix searches with a type followed by a colon (e.g.
fn:) to restrict the search to a given type.
Accepted types are: fn, mod,
struct (or str), enum,
trait, typedef (or
tdef).