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Diffstat (limited to '')
| -rw-r--r-- | src/test/ui/function-pointer/unsized-ret.stderr | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/function-pointer/unsized-ret.stderr b/src/test/ui/function-pointer/unsized-ret.stderr new file mode 100644 index 000000000..bec3e2aa3 --- /dev/null +++ b/src/test/ui/function-pointer/unsized-ret.stderr @@ -0,0 +1,35 @@ +error[E0277]: the size for values of type `str` cannot be known at compilation time + --> $DIR/unsized-ret.rs:9:27 + | +LL | foo::<fn() -> str, _>(None, ()); + | --------------------- ^^^^ doesn't have a size known at compile-time + | | + | required by a bound introduced by this call + | + = help: within `fn() -> str`, the trait `Sized` is not implemented for `str` + = note: required because it appears within the type `fn() -> str` +note: required by a bound in `foo` + --> $DIR/unsized-ret.rs:4:11 + | +LL | fn foo<F: Fn<T>, T>(f: Option<F>, t: T) { + | ^^^^^ required by this bound in `foo` + +error[E0277]: the size for values of type `(dyn std::fmt::Display + 'a)` cannot be known at compilation time + --> $DIR/unsized-ret.rs:12:66 + | +LL | foo::<for<'a> fn(&'a ()) -> (dyn std::fmt::Display + 'a), _>(None, (&(),)); + | ------------------------------------------------------------ ^^^^ doesn't have a size known at compile-time + | | + | required by a bound introduced by this call + | + = help: within `for<'a> fn(&'a ()) -> (dyn std::fmt::Display + 'a)`, the trait `for<'a> Sized` is not implemented for `(dyn std::fmt::Display + 'a)` + = note: required because it appears within the type `for<'a> fn(&'a ()) -> (dyn std::fmt::Display + 'a)` +note: required by a bound in `foo` + --> $DIR/unsized-ret.rs:4:11 + | +LL | fn foo<F: Fn<T>, T>(f: Option<F>, t: T) { + | ^^^^^ required by this bound in `foo` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0277`. |