[rustc.git] / src / test / ui / issues / issue-18959.stderr

error[E0038]: the trait `Bar` cannot be made into an object
  --> $DIR/issue-18959.rs:11:11
   |
LL | fn foo(b: &dyn Bar) {
   |           ^^^^^^^^ `Bar` cannot be made into an object
   |
   = help: consider moving `foo` to another trait
note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
  --> $DIR/issue-18959.rs:1:20
   |
LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); }
   |                    ^^^ ...because method `foo` has generic type parameters
LL | pub trait Bar: Foo { }
   |           --- this trait cannot be made into an object...

error: aborting due to previous error

For more information about this error, try `rustc --explain E0038`.
Commit	Line	Data
8faf50e0	1	error[E0038]: the trait `Bar` cannot be made into an object
72b1a166	2	--> $DIR/issue-18959.rs:11:11
8faf50e0	3	\|
dc9dc135	4	LL \| fn foo(b: &dyn Bar) {
72b1a166 FG	5	\| ^^^^^^^^ `Bar` cannot be made into an object
	6	\|
	7	= help: consider moving `foo` to another trait
	8	note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
	9	--> $DIR/issue-18959.rs:1:20
	10	\|
	11	LL \| pub trait Foo { fn foo<T>(&self, ext_thing: &T); }
	12	\| ^^^ ...because method `foo` has generic type parameters
	13	LL \| pub trait Bar: Foo { }
	14	\| --- this trait cannot be made into an object...
8faf50e0 XL	15
	16	error: aborting due to previous error
	17
	18	For more information about this error, try `rustc --explain E0038`.