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error[E0277]: the size for values of type `impl Iterator<Item = i32> + ?Sized` cannot be known at compilation time
--> $DIR/apit-unsized.rs:1:11
|
LL | fn foo(_: impl Iterator<Item = i32> + ?Sized) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| |
| doesn't have a size known at compile-time
| this type parameter needs to be `Sized`
|
= help: unsized fn params are gated as an unstable feature
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - fn foo(_: impl Iterator<Item = i32> + ?Sized) {}
LL + fn foo(_: impl Iterator<Item = i32>) {}
|
help: function arguments must have a statically known size, borrowed types always have a known size
|
LL | fn foo(_: &impl Iterator<Item = i32> + ?Sized) {}
| +
error[E0277]: the size for values of type `impl ?Sized` cannot be known at compilation time
--> $DIR/apit-unsized.rs:2:11
|
LL | fn bar(_: impl ?Sized) {}
| ^^^^^^^^^^^
| |
| doesn't have a size known at compile-time
| this type parameter needs to be `Sized`
|
= help: unsized fn params are gated as an unstable feature
help: consider replacing `?Sized` with `Sized`
|
LL - fn bar(_: impl ?Sized) {}
LL + fn bar(_: impl Sized) {}
|
help: function arguments must have a statically known size, borrowed types always have a known size
|
LL | fn bar(_: &impl ?Sized) {}
| +
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.
|
