19 lines
869 B
Rust
19 lines
869 B
Rust
|
//! Regression test for <https://github.com/rust-lang/rust/issues/122638>.
|
||
|
|
//@ check-fail
|
||
|
|
#![feature(min_specialization)]
|
||
|
|
impl<'a, T: std::fmt::Debug, const N: usize> Iterator for ConstChunksExact<'a, T, { N }> {
|
||
|
|
//~^ ERROR not all trait items implemented, missing: `Item` [E0046]
|
||
|
|
fn next(&mut self) -> Option<Self::Item> {}
|
||
|
|
//~^ ERROR mismatched types [E0308]
|
||
|
|
}
|
||
|
|
struct ConstChunksExact<'a, T: '_, const assert: usize> {}
|
||
|
|
//~^ ERROR `'_` cannot be used here [E0637]
|
||
|
|
//~| ERROR lifetime parameter `'a` is never used [E0392]
|
||
|
|
//~| ERROR type parameter `T` is never used [E0392]
|
||
|
|
impl<'a, T: std::fmt::Debug, const N: usize> Iterator for ConstChunksExact<'a, T, {}> {
|
||
|
|
//~^ ERROR mismatched types [E0308]
|
||
|
|
//~| ERROR the const parameter `N` is not constrained by the impl trait, self type, or predicates [E0207]
|
||
|
|
type Item = &'a [T; N]; }
|
||
|
|
|
||
|
|
fn main() {}
|