| // The purpose of this file is to track the error messages from Pin and DerefMut interacting. |
| |
| //@ check-fail |
| |
| use std::ops::DerefMut; |
| use std::pin::Pin; |
| |
| struct MyUnpinType {} |
| |
| impl MyUnpinType { |
| fn at_self(&self) {} |
| fn at_mut_self(&mut self) {} |
| } |
| |
| struct MyPinType(core::marker::PhantomPinned); |
| |
| impl MyPinType { |
| fn at_self(&self) {} |
| fn at_mut_self(&mut self) {} |
| } |
| |
| fn impl_deref_mut(_: impl DerefMut) {} |
| fn unpin_impl_ref(r_unpin: Pin<&MyUnpinType>) { |
| impl_deref_mut(r_unpin) |
| //~^ ERROR: the trait bound `&MyUnpinType: DerefMut` is not satisfied |
| } |
| fn unpin_impl_mut(r_unpin: Pin<&mut MyUnpinType>) { |
| impl_deref_mut(r_unpin) |
| } |
| fn pin_impl_ref(r_pin: Pin<&MyPinType>) { |
| impl_deref_mut(r_pin) |
| //~^ ERROR: `PhantomPinned` cannot be unpinned |
| //~| ERROR: the trait bound `&MyPinType: DerefMut` is not satisfied |
| } |
| fn pin_impl_mut(r_pin: Pin<&mut MyPinType>) { |
| impl_deref_mut(r_pin) |
| //~^ ERROR: `PhantomPinned` cannot be unpinned |
| } |
| |
| fn main() {} |
