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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/unsized/unsized-fn-arg.stderr
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+error[E0277]: the size for values of type `T` cannot be known at compilation time
+ --> $DIR/unsized-fn-arg.rs:5:17
+ |
+LL | fn f<T: ?Sized>(t: T) {}
+ | - ^ doesn't have a size known at compile-time
+ | |
+ | this type parameter needs to be `std::marker::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 previous error
+
+For more information about this error, try `rustc --explain E0277`.