pub fn mkdtemp(tmpdir: &std::path::PosixPath, suffix: &str) -> std::option::Option
Attempts to make a temporary directory inside of tmpdir whose name will
have the suffix suffix. If no directory can be created, None is returned.
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).