rust/tests/ui/traits/inheritance/num2.rs
2024-02-16 20:02:50 +00:00

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);
}