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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:11:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:11:28 +0000
commit94a0819fe3a0d679c3042a77bfe6a2afc505daea (patch)
tree2b827afe6a05f3538db3f7803a88c4587fe85648 /src/test/ui/object-safety/issue-102762.stderr
parentAdding upstream version 1.64.0+dfsg1. (diff)
downloadrustc-94a0819fe3a0d679c3042a77bfe6a2afc505daea.tar.xz
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Adding upstream version 1.66.0+dfsg1.upstream/1.66.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+error[E0038]: the trait `Fetcher` cannot be made into an object
+ --> $DIR/issue-102762.rs:18:21
+ |
+LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>>
+ | ------------- help: consider changing method `get`'s `self` parameter to be `&self`: `&Self`
+...
+LL | fn fetcher() -> Box<dyn Fetcher> {
+ | ^^^^^^^^^^^ `Fetcher` 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/issue-102762.rs:10:22
+ |
+LL | pub trait Fetcher: Send + Sync {
+ | ------- this trait cannot be made into an object...
+LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>>
+ | ^^^^^^^^^^^^^ ...because method `get`'s `self` parameter cannot be dispatched on
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0038`.