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30 lines
429 B
Rust
30 lines
429 B
Rust
//@ run-pass
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pub trait MyEq {}
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pub trait MyNum {
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fn from_int(_: isize) -> Self;
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}
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pub trait NumExt: MyEq + MyNum { }
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struct S { v: isize }
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impl MyEq for S { }
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impl MyNum for S {
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fn from_int(i: isize) -> S {
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S {
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v: i
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}
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}
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}
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impl NumExt for S { }
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fn greater_than_one<T:NumExt>() -> T { MyNum::from_int(1) }
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pub fn main() {
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let v: S = greater_than_one();
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assert_eq!(v.v, 1);
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}
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