mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-03 20:23:59 +00:00
87 lines
1.6 KiB
Rust
87 lines
1.6 KiB
Rust
// run-pass
|
|
// A more complex example of numeric extensions
|
|
|
|
pub trait TypeExt {}
|
|
|
|
impl TypeExt for u8 {}
|
|
impl TypeExt for u16 {}
|
|
impl TypeExt for u32 {}
|
|
impl TypeExt for u64 {}
|
|
impl TypeExt for usize {}
|
|
|
|
impl TypeExt for i8 {}
|
|
impl TypeExt for i16 {}
|
|
impl TypeExt for i32 {}
|
|
impl TypeExt for i64 {}
|
|
impl TypeExt for isize {}
|
|
|
|
impl TypeExt for f32 {}
|
|
impl TypeExt for f64 {}
|
|
|
|
|
|
pub trait NumExt: TypeExt + PartialEq + PartialOrd {}
|
|
|
|
impl NumExt for u8 {}
|
|
impl NumExt for u16 {}
|
|
impl NumExt for u32 {}
|
|
impl NumExt for u64 {}
|
|
impl NumExt for usize {}
|
|
|
|
impl NumExt for i8 {}
|
|
impl NumExt for i16 {}
|
|
impl NumExt for i32 {}
|
|
impl NumExt for i64 {}
|
|
impl NumExt for isize {}
|
|
|
|
impl NumExt for f32 {}
|
|
impl NumExt for f64 {}
|
|
|
|
|
|
pub trait UnSignedExt: NumExt {}
|
|
|
|
impl UnSignedExt for u8 {}
|
|
impl UnSignedExt for u16 {}
|
|
impl UnSignedExt for u32 {}
|
|
impl UnSignedExt for u64 {}
|
|
impl UnSignedExt for usize {}
|
|
|
|
|
|
pub trait SignedExt: NumExt {}
|
|
|
|
impl SignedExt for i8 {}
|
|
impl SignedExt for i16 {}
|
|
impl SignedExt for i32 {}
|
|
impl SignedExt for i64 {}
|
|
impl SignedExt for isize {}
|
|
|
|
impl SignedExt for f32 {}
|
|
impl SignedExt for f64 {}
|
|
|
|
|
|
pub trait IntegerExt: NumExt {}
|
|
|
|
impl IntegerExt for u8 {}
|
|
impl IntegerExt for u16 {}
|
|
impl IntegerExt for u32 {}
|
|
impl IntegerExt for u64 {}
|
|
impl IntegerExt for usize {}
|
|
|
|
impl IntegerExt for i8 {}
|
|
impl IntegerExt for i16 {}
|
|
impl IntegerExt for i32 {}
|
|
impl IntegerExt for i64 {}
|
|
impl IntegerExt for isize {}
|
|
|
|
|
|
pub trait FloatExt: NumExt {}
|
|
|
|
impl FloatExt for f32 {}
|
|
impl FloatExt for f64 {}
|
|
|
|
|
|
fn test_float_ext<T:FloatExt>(n: T) { println!("{}", n < n) }
|
|
|
|
pub fn main() {
|
|
test_float_ext(1f32);
|
|
}
|