rust/tests/ui/unsized/unsized-fn-arg.stderr
Esteban Küber c7d171d771 On implicit Sized bound on fn argument, point at type instead of pattern
Instead of

```
error[E0277]: the size for values of type `(dyn ThriftService<(), AssocType = _> + 'static)` cannot be known at compilation time
  --> $DIR/issue-59324.rs:23:20
   |
LL | fn with_factory<H>(factory: dyn ThriftService<()>) {}
   |                    ^^^^^^^ doesn't have a size known at compile-time
```

output

```
error[E0277]: the size for values of type `(dyn ThriftService<(), AssocType = _> + 'static)` cannot be known at compilation time
  --> $DIR/issue-59324.rs:23:29
   |
LL | fn with_factory<H>(factory: dyn ThriftService<()>) {}
   |                             ^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
```
2024-09-27 00:45:02 +00:00

23 lines
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Plaintext

error[E0277]: the size for values of type `T` cannot be known at compilation time
--> $DIR/unsized-fn-arg.rs:5:20
|
LL | fn f<T: ?Sized>(t: T) {}
| - ^ 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 f<T: ?Sized>(t: T) {}
LL + fn f<T>(t: T) {}
|
help: function arguments must have a statically known size, borrowed types always have a known size
|
LL | fn f<T: ?Sized>(t: &T) {}
| +
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.