|
//@ run-pass
|
|
#![allow(dead_code)]
|
|
//@ pretty-expanded FIXME #23616
|
|
|
|
pub trait NumCast: Sized {
|
|
fn from(i: i32) -> Option<Self>;
|
|
}
|
|
|
|
pub trait NumExt: NumCast + PartialOrd { }
|
|
|
|
fn greater_than_one<T:NumExt>(n: &T) -> bool {
|
|
*n > NumCast::from(1).unwrap()
|
|
}
|
|
|
|
pub fn main() {}
|