2 // Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
3 // file at the top-level directory of this distribution and at
4 // http://rust-lang.org/COPYRIGHT.
6 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
7 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
8 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
9 // option. This file may not be copied, modified, or distributed
10 // except according to those terms.
12 use std::cmp::{PartialEq, PartialOrd};
13 use std::num::NumCast;
15 pub trait NumExt: NumCast + PartialEq + PartialOrd {}
17 pub trait FloatExt: NumExt {}
19 fn greater_than_one<T: NumExt>(n: &T) -> bool { *n > NumCast::from(1i).unwrap() }
20 fn greater_than_one_float<T: FloatExt>(n: &T) -> bool { *n > NumCast::from(1i).unwrap() }