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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /src/test/ui/error-codes/E0033-teach.stderr | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/error-codes/E0033-teach.stderr')
-rw-r--r-- | src/test/ui/error-codes/E0033-teach.stderr | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/src/test/ui/error-codes/E0033-teach.stderr b/src/test/ui/error-codes/E0033-teach.stderr deleted file mode 100644 index 3b68abbb4..000000000 --- a/src/test/ui/error-codes/E0033-teach.stderr +++ /dev/null @@ -1,42 +0,0 @@ -error[E0423]: expected value, found trait `SomeTrait` - --> $DIR/E0033-teach.rs:8:37 - | -LL | let trait_obj: &dyn SomeTrait = SomeTrait; - | ^^^^^^^^^ not a value - -error[E0038]: the trait `SomeTrait` cannot be made into an object - --> $DIR/E0033-teach.rs:8:20 - | -LL | let trait_obj: &dyn SomeTrait = SomeTrait; - | ^^^^^^^^^^^^^^ `SomeTrait` cannot be made into an object - | -note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> - --> $DIR/E0033-teach.rs:4:8 - | -LL | trait SomeTrait { - | --------- this trait cannot be made into an object... -LL | fn foo(); - | ^^^ ...because associated function `foo` has no `self` parameter -help: consider turning `foo` into a method by giving it a `&self` argument - | -LL | fn foo(&self); - | +++++ -help: alternatively, consider constraining `foo` so it does not apply to trait objects - | -LL | fn foo() where Self: Sized; - | +++++++++++++++++ - -error[E0033]: type `&dyn SomeTrait` cannot be dereferenced - --> $DIR/E0033-teach.rs:12:9 - | -LL | let &invalid = trait_obj; - | ^^^^^^^^ type `&dyn SomeTrait` cannot be dereferenced - | - = note: This error indicates that a pointer to a trait type cannot be implicitly dereferenced by a pattern. Every trait defines a type, but because the size of trait implementors isn't fixed, this type has no compile-time size. Therefore, all accesses to trait types must be through pointers. If you encounter this error you should try to avoid dereferencing the pointer. - - You can read more about trait objects in the Trait Objects section of the Reference: https://doc.rust-lang.org/reference/types.html#trait-objects - -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0033, E0038, E0423. -For more information about an error, try `rustc --explain E0033`. |