pub unsafe fn slice_unchecked<'a>(s: &'a str, begin: uint, end: uint) -> &'a str
Takes a bytewise (not UTF-8) slice from a string.
Returns the substring from [begin..end).
Caller must check slice boundaries!
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).