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https://github.com/rust-lang/rust
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23 lines
367 B
Rust
23 lines
367 B
Rust
// run-pass
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// pretty-expanded FIXME #23616
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pub trait Number: NumConv {
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fn from<T:Number>(n: T) -> Self;
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}
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impl Number for f64 {
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fn from<T:Number>(n: T) -> f64 { n.to_float() }
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}
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pub trait NumConv {
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fn to_float(&self) -> f64;
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}
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impl NumConv for f64 {
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fn to_float(&self) -> f64 { *self }
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}
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pub fn main() {
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let _: f64 = Number::from(0.0f64);
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}
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