mirror of https://github.com/rust-lang/rust
16 lines
304 B
Rust
16 lines
304 B
Rust
//@ run-pass
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#[derive(Debug)]
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struct Matrix4<S>(#[allow(dead_code)] S);
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trait POrd<S> {}
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fn translate<S: POrd<S>>(s: S) -> Matrix4<S> { Matrix4(s) }
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impl POrd<f32> for f32 {}
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impl POrd<f64> for f64 {}
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fn main() {
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let x = 1.0;
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let m : Matrix4<f32> = translate(x);
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println!("m: {:?}", m);
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}
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