type AnyLineIterator<'self> = Map<'self, &'self str, &'self str, CharSplitIterator<'self, char>>;
An iterator over the lines of a string, separated by either \n or (\r\n).
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).