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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-42312.stderr | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-42312.stderr b/src/test/ui/issues/issue-42312.stderr new file mode 100644 index 000000000..6fe151622 --- /dev/null +++ b/src/test/ui/issues/issue-42312.stderr @@ -0,0 +1,33 @@ +error[E0277]: the size for values of type `<Self as Deref>::Target` cannot be known at compilation time + --> $DIR/issue-42312.rs:4:12 + | +LL | fn baz(_: Self::Target) where Self: Deref {} + | ^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `<Self as Deref>::Target` + = help: unsized fn params are gated as an unstable feature +help: consider further restricting the associated type + | +LL | fn baz(_: Self::Target) where Self: Deref, <Self as Deref>::Target: Sized {} + | ++++++++++++++++++++++++++++++++ +help: function arguments must have a statically known size, borrowed types always have a known size + | +LL | fn baz(_: &Self::Target) where Self: Deref {} + | + + +error[E0277]: the size for values of type `(dyn ToString + 'static)` cannot be known at compilation time + --> $DIR/issue-42312.rs:8:10 + | +LL | pub fn f(_: dyn ToString) {} + | ^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `(dyn ToString + '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 | pub fn f(_: &dyn ToString) {} + | + + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0277`. |