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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/const-generics/const-argument-if-length.full.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>
Diffstat (limited to 'src/test/ui/const-generics/const-argument-if-length.full.stderr')
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+error[E0277]: the size for values of type `T` cannot be known at compilation time
+ --> $DIR/const-argument-if-length.rs:15:12
+ |
+LL | pub struct AtLeastByte<T: ?Sized> {
+ | - this type parameter needs to be `std::marker::Sized`
+LL | value: T,
+ | ^ doesn't have a size known at compile-time
+ |
+ = note: only the last field of a struct may have a dynamically sized type
+ = help: change the field's type to have a statically known size
+help: consider removing the `?Sized` bound to make the type parameter `Sized`
+ |
+LL - pub struct AtLeastByte<T: ?Sized> {
+LL + pub struct AtLeastByte<T> {
+ |
+help: borrowed types always have a statically known size
+ |
+LL | value: &T,
+ | +
+help: the `Box` type always has a statically known size and allocates its contents in the heap
+ |
+LL | value: Box<T>,
+ | ++++ +
+
+error: unconstrained generic constant
+ --> $DIR/const-argument-if-length.rs:17:10
+ |
+LL | pad: [u8; is_zst::<T>()],
+ | ^^^^^^^^^^^^^^^^^^^
+ |
+ = help: try adding a `where` bound using this expression: `where [(); is_zst::<T>()]:`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0277`.