diff options
Diffstat (limited to '')
| -rw-r--r-- | tests/ui/traits/new-solver/object-unsafety.stderr | 63 |
1 files changed, 61 insertions, 2 deletions
diff --git a/tests/ui/traits/new-solver/object-unsafety.stderr b/tests/ui/traits/new-solver/object-unsafety.stderr index 198ac623d..bb7c68b89 100644 --- a/tests/ui/traits/new-solver/object-unsafety.stderr +++ b/tests/ui/traits/new-solver/object-unsafety.stderr @@ -14,6 +14,65 @@ help: consider introducing a `where` clause, but there might be an alternative b LL | pub fn copy_any<T>(t: &T) -> T where dyn Setup<From = T>: Setup { | ++++++++++++++++++++++++++++++++ -error: aborting due to previous error +error: the type `&<dyn Setup<From = T> as Setup>::From` is not well-formed + --> $DIR/object-unsafety.rs:12:31 + | +LL | copy::<dyn Setup<From=T>>(t) + | ^ + +error[E0308]: mismatched types + --> $DIR/object-unsafety.rs:12:31 + | +LL | copy::<dyn Setup<From=T>>(t) + | ------------------------- ^ types differ + | | + | arguments to this function are incorrect + | + = note: expected reference `&<dyn Setup<From = T> as Setup>::From` + found reference `&T` +note: function defined here + --> $DIR/object-unsafety.rs:7:4 + | +LL | fn copy<U: Setup + ?Sized>(from: &U::From) -> U::From { + | ^^^^ -------------- + +error[E0308]: mismatched types + --> $DIR/object-unsafety.rs:12:5 + | +LL | pub fn copy_any<T>(t: &T) -> T { + | - - expected `T` because of return type + | | + | this type parameter +LL | copy::<dyn Setup<From=T>>(t) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ + | + = note: expected type parameter `T` + found associated type `<dyn Setup<From = T> as Setup>::From` + = note: you might be missing a type parameter or trait bound + +error: the type `<dyn Setup<From = T> as Setup>::From` is not well-formed + --> $DIR/object-unsafety.rs:12:5 + | +LL | copy::<dyn Setup<From=T>>(t) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error[E0277]: the size for values of type `<dyn Setup<From = T> as Setup>::From` cannot be known at compilation time + --> $DIR/object-unsafety.rs:12:5 + | +LL | copy::<dyn Setup<From=T>>(t) + | ^^^^^^^^^^^^^^^^^^^^^^^^^--- + | | + | doesn't have a size known at compile-time + | this returned value is of type `<dyn Setup<From = T> as Setup>::From` + | + = help: the trait `Sized` is not implemented for `<dyn Setup<From = T> as Setup>::From` + = note: the return type of a function must have a statically known size +help: consider further restricting the associated type + | +LL | pub fn copy_any<T>(t: &T) -> T where <dyn Setup<From = T> as Setup>::From: Sized { + | +++++++++++++++++++++++++++++++++++++++++++++++++ + +error: aborting due to 6 previous errors -For more information about this error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0277, E0308. +For more information about an error, try `rustc --explain E0277`. |