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// run-pass
// pretty-expanded FIXME #23616
pub trait Number: NumConv {
fn from<T:Number>(n: T) -> Self;
}
impl Number for f64 {
fn from<T:Number>(n: T) -> f64 { n.to_float() }
}
pub trait NumConv {
fn to_float(&self) -> f64;
}
impl NumConv for f64 {
fn to_float(&self) -> f64 { *self }
}
pub fn main() {
let _: f64 = Number::from(0.0f64);
}
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