mirror of https://github.com/rust-lang/rust.git
22 lines
404 B
Rust
22 lines
404 B
Rust
// run-pass
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trait Stringify {
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fn to_string(&self) -> String;
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}
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impl Stringify for u32 {
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fn to_string(&self) -> String { format!("u32: {}", *self) }
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}
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impl Stringify for f32 {
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fn to_string(&self) -> String { format!("f32: {}", *self) }
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}
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fn print<T: Stringify>(x: T) -> String {
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x.to_string()
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}
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fn main() {
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assert_eq!(&print(5), "u32: 5");
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assert_eq!(&print(5.0), "f32: 5");
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}
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