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