rust/tests/ui/for/issue-20605.rs

16 lines
634 B
Rust

//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver
fn changer<'a>(mut things: Box<dyn Iterator<Item=&'a mut u8>>) {
for item in *things { *item = 0 }
//[current]~^ ERROR `dyn Iterator<Item = &'a mut u8>` is not an iterator
//[next]~^^ ERROR `dyn Iterator<Item = &'a mut u8>` is not an iterator
//[next]~| ERROR type `<dyn Iterator<Item = &'a mut u8> as IntoIterator>::Item` cannot be dereferenced
// FIXME(-Znext-solver): these error messages are horrible and have to be
// improved before we stabilize the new solver.
}
fn main() {}