| // xfail-fast |
| |
| // Copyright 2012 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // A more complex example of numeric extensions |
| |
| extern mod extra; |
| |
| use std::cmp::{Eq, Ord}; |
| |
| pub trait TypeExt {} |
| |
| |
| impl TypeExt for u8 {} |
| impl TypeExt for u16 {} |
| impl TypeExt for u32 {} |
| impl TypeExt for u64 {} |
| impl TypeExt for uint {} |
| |
| impl TypeExt for i8 {} |
| impl TypeExt for i16 {} |
| impl TypeExt for i32 {} |
| impl TypeExt for i64 {} |
| impl TypeExt for int {} |
| |
| impl TypeExt for f32 {} |
| impl TypeExt for f64 {} |
| impl TypeExt for float {} |
| |
| |
| pub trait NumExt: TypeExt + Eq + Ord + Num + NumCast {} |
| |
| impl NumExt for u8 {} |
| impl NumExt for u16 {} |
| impl NumExt for u32 {} |
| impl NumExt for u64 {} |
| impl NumExt for uint {} |
| |
| impl NumExt for i8 {} |
| impl NumExt for i16 {} |
| impl NumExt for i32 {} |
| impl NumExt for i64 {} |
| impl NumExt for int {} |
| |
| impl NumExt for f32 {} |
| impl NumExt for f64 {} |
| impl NumExt for float {} |
| |
| |
| pub trait UnSignedExt: NumExt {} |
| |
| impl UnSignedExt for u8 {} |
| impl UnSignedExt for u16 {} |
| impl UnSignedExt for u32 {} |
| impl UnSignedExt for u64 {} |
| impl UnSignedExt for uint {} |
| |
| |
| pub trait SignedExt: NumExt {} |
| |
| impl SignedExt for i8 {} |
| impl SignedExt for i16 {} |
| impl SignedExt for i32 {} |
| impl SignedExt for i64 {} |
| impl SignedExt for int {} |
| |
| impl SignedExt for f32 {} |
| impl SignedExt for f64 {} |
| impl SignedExt for float {} |
| |
| |
| pub trait IntegerExt: NumExt {} |
| |
| impl IntegerExt for u8 {} |
| impl IntegerExt for u16 {} |
| impl IntegerExt for u32 {} |
| impl IntegerExt for u64 {} |
| impl IntegerExt for uint {} |
| |
| impl IntegerExt for i8 {} |
| impl IntegerExt for i16 {} |
| impl IntegerExt for i32 {} |
| impl IntegerExt for i64 {} |
| impl IntegerExt for int {} |
| |
| |
| pub trait FloatExt: NumExt + ApproxEq<Self> {} |
| |
| impl FloatExt for f32 {} |
| impl FloatExt for f64 {} |
| impl FloatExt for float {} |
| |
| |
| fn test_float_ext<T:FloatExt>(n: T) { printfln!(n < n) } |
| |
| pub fn main() { |
| test_float_ext(1f32); |
| } |
