mirror of https://github.com/rust-lang/rust
28 lines
684 B
Rust
28 lines
684 B
Rust
//@ run-pass
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trait Equal {
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fn equal(&self, other: &Self) -> bool;
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fn equals<T,U>(&self, this: &T, that: &T, x: &U, y: &U) -> bool
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where T: Eq, U: Eq;
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}
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impl<T> Equal for T where T: Eq {
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fn equal(&self, other: &T) -> bool {
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self == other
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}
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fn equals<U,X>(&self, this: &U, other: &U, x: &X, y: &X) -> bool
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where U: Eq, X: Eq {
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this == other && x == y
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}
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}
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fn equal<T>(x: &T, y: &T) -> bool where T: Eq {
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x == y
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}
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fn main() {
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println!("{}", equal(&1, &2));
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println!("{}", equal(&1, &1));
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println!("{}", "hello".equal(&"hello"));
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println!("{}", "hello".equals::<isize,&str>(&1, &1, &"foo", &"bar"));
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}
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