[rustc.git] / src / test / ui / feature-gates / feature-gate-unsized_fn_params.stderr

error[E0277]: the size for values of type `(dyn Foo + 'static)` cannot be known at compilation time
  --> $DIR/feature-gate-unsized_fn_params.rs:17:8
   |
LL | fn foo(x: dyn Foo) {
   |        ^ doesn't have a size known at compile-time
   |
   = help: the trait `Sized` is not implemented for `(dyn Foo + 'static)`
   = help: unsized fn params are gated as an unstable feature
help: function arguments must have a statically known size, borrowed types always have a known size
   |
LL | fn foo(x: &dyn Foo) {
   |           +

error[E0277]: the size for values of type `(dyn Foo + 'static)` cannot be known at compilation time
  --> $DIR/feature-gate-unsized_fn_params.rs:24:5
   |
LL |     foo(*x);
   |     ^^^ doesn't have a size known at compile-time
   |
   = help: the trait `Sized` is not implemented for `(dyn Foo + 'static)`
   = note: all function arguments must have a statically known size
   = help: unsized fn params are gated as an unstable feature

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0277`.
Commit	Line	Data
29967ef6 XL	1	error[E0277]: the size for values of type `(dyn Foo + 'static)` cannot be known at compilation time
	2	--> $DIR/feature-gate-unsized_fn_params.rs:17:8
	3	\|
	4	LL \| fn foo(x: dyn Foo) {
	5	\| ^ doesn't have a size known at compile-time
	6	\|
	7	= help: the trait `Sized` is not implemented for `(dyn Foo + 'static)`
	8	= help: unsized fn params are gated as an unstable feature
	9	help: function arguments must have a statically known size, borrowed types always have a known size
	10	\|
cdc7bbd5	11	LL \| fn foo(x: &dyn Foo) {
94222f64	12	\| +
29967ef6 XL	13
	14	error[E0277]: the size for values of type `(dyn Foo + 'static)` cannot be known at compilation time
	15	--> $DIR/feature-gate-unsized_fn_params.rs:24:5
	16	\|
	17	LL \| foo(*x);
	18	\| ^^^ doesn't have a size known at compile-time
	19	\|
	20	= help: the trait `Sized` is not implemented for `(dyn Foo + 'static)`
	21	= note: all function arguments must have a statically known size
	22	= help: unsized fn params are gated as an unstable feature
	23
	24	error: aborting due to 2 previous errors
	25
	26	For more information about this error, try `rustc --explain E0277`.