| // run-pass |
| #![allow(dead_code)] |
| |
| pub fn main() { |
| let _id: &Mat2<f64> = &Matrix::identity(1.0); |
| } |
| |
| pub trait Index<Index,Result> { fn get(&self, _: Index) -> Result { panic!() } } |
| pub trait Dimensional<T>: Index<usize, T> { } |
| |
| pub struct Mat2<T> { x: T } |
| pub struct Vec2<T> { x: T } |
| |
| impl<T> Dimensional<Vec2<T>> for Mat2<T> { } |
| impl<T> Index<usize, Vec2<T>> for Mat2<T> { } |
| |
| impl<T> Dimensional<T> for Vec2<T> { } |
| impl<T> Index<usize, T> for Vec2<T> { } |
| |
| pub trait Matrix<T,V>: Dimensional<V> { |
| fn identity(t:T) -> Self; |
| } |
| |
| impl<T> Matrix<T, Vec2<T>> for Mat2<T> { |
| fn identity(t:T) -> Mat2<T> { Mat2{ x: t } } |
| } |
