mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-26 00:34:06 +00:00
21 lines
1.5 KiB
Rust
21 lines
1.5 KiB
Rust
// revisions: current next
|
|
//[next] compile-flags: -Ztrait-solver=next
|
|
|
|
fn changer<'a>(mut things: Box<dyn Iterator<Item=&'a mut u8>>) {
|
|
for item in *things { *item = 0 }
|
|
//[current]~^ ERROR the size for values of type
|
|
//[next]~^^ ERROR the trait bound `dyn Iterator<Item = &'a mut u8>: IntoIterator` is not satisfied
|
|
//[next]~| ERROR the size for values of type `<dyn Iterator<Item = &'a mut u8> as IntoIterator>::IntoIter` cannot be known at compilation time
|
|
//[next]~| ERROR the type `<dyn Iterator<Item = &'a mut u8> as IntoIterator>::IntoIter` is not well-formed
|
|
//[next]~| ERROR `<dyn Iterator<Item = &'a mut u8> as IntoIterator>::IntoIter` is not an iterator
|
|
//[next]~| ERROR the type `&mut <dyn Iterator<Item = &'a mut u8> as IntoIterator>::IntoIter` is not well-formed
|
|
//[next]~| ERROR the size for values of type `<<dyn Iterator<Item = &'a mut u8> as IntoIterator>::IntoIter as Iterator>::Item` cannot be known at compilation time
|
|
//[next]~| ERROR the type `Option<<<dyn Iterator<Item = &'a mut u8> as IntoIterator>::IntoIter as Iterator>::Item>` is not well-formed
|
|
//[next]~| ERROR the size for values of type `<<dyn Iterator<Item = &'a mut u8> as IntoIterator>::IntoIter as Iterator>::Item` cannot be known at compilation time
|
|
//[next]~| ERROR type `<<dyn Iterator<Item = &'a mut u8> as IntoIterator>::IntoIter as Iterator>::Item` cannot be dereferenced
|
|
// FIXME(-Ztrait-solver=next): these error messages are horrible and have to be
|
|
// improved before we stabilize the new solver.
|
|
}
|
|
|
|
fn main() {}
|