pub fn stderr() -> @Writer
Gives a Writer which allows you to write to standard error.
let stderr = std::io::stderr();
stderr.write_str("hello\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).