use std::ops::{Add, Sub, Mul, Div}; | |
trait ArithmeticOps: Add<Output=Self> + Sub<Output=Self> + Mul<Output=Self> + Div<Output=Self> {} | |
//~^ ERROR the size for values of type `Self` cannot be known at compilation time | |
impl<T> ArithmeticOps for T where T: Add<Output=T> + Sub<Output=T> + Mul<Output=T> + Div<Output=T> { | |
// Nothing to implement, since T already supports the other traits. | |
// It has the functions it needs already | |
} | |
fn main() {} |