| //@ run-pass |
| // test for #8664 |
| |
| use std::marker; |
| |
| pub trait Trait2<A> { |
| fn doit(&self) -> A; |
| } |
| |
| pub struct Impl<A1, A2, A3> { |
| m1: marker::PhantomData<(A1,A2,A3)>, |
| /* |
| * With A2 we get the ICE: |
| * task <unnamed> failed at 'index out of bounds: the len is 1 but the index is 1', |
| * src/librustc/middle/subst.rs:58 |
| */ |
| t: Box<dyn Trait2<A2>+'static> |
| } |
| |
| impl<A1, A2, A3> Impl<A1, A2, A3> { |
| pub fn step(&self) { |
| self.t.doit(); |
| } |
| } |
| |
| // test for #8601 |
| |
| enum Type<T> { Constant(#[allow(dead_code)] T) } |
| |
| trait Trait<K,V> { |
| fn method(&self, _: Type<(K,V)>) -> isize; |
| } |
| |
| impl<V> Trait<u8,V> for () { |
| fn method(&self, _x: Type<(u8,V)>) -> isize { 0 } |
| } |
| |
| pub fn main() { |
| let a = Box::new(()) as Box<dyn Trait<u8, u8>>; |
| assert_eq!(a.method(Type::Constant((1, 2))), 0); |
| } |
