pub fn cast<T: NumCast, U: NumCast>(n: T) -> U
Cast from one machine scalar to another
let twenty: f32 = num::cast(0x14);
assert_eq!(twenty, 20f32);
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).