diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:28 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:28 +0000 |
commit | 94a0819fe3a0d679c3042a77bfe6a2afc505daea (patch) | |
tree | 2b827afe6a05f3538db3f7803a88c4587fe85648 /src/test/ui/lint/unused/unused-supertrait.rs | |
parent | Adding upstream version 1.64.0+dfsg1. (diff) | |
download | rustc-94a0819fe3a0d679c3042a77bfe6a2afc505daea.tar.xz rustc-94a0819fe3a0d679c3042a77bfe6a2afc505daea.zip |
Adding upstream version 1.66.0+dfsg1.upstream/1.66.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/lint/unused/unused-supertrait.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/lint/unused/unused-supertrait.rs b/src/test/ui/lint/unused/unused-supertrait.rs new file mode 100644 index 000000000..64a8e5204 --- /dev/null +++ b/src/test/ui/lint/unused/unused-supertrait.rs @@ -0,0 +1,11 @@ +#![deny(unused_must_use)] + +fn it() -> impl ExactSizeIterator<Item = ()> { + let x: Box<dyn ExactSizeIterator<Item = ()>> = todo!(); + x +} + +fn main() { + it(); + //~^ ERROR unused implementer of `Iterator` that must be used +} |