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// 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(unused_tuple_struct_fields)] 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);
}
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