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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:13:23 +0000 |
commit | 20431706a863f92cb37dc512fef6e48d192aaf2c (patch) | |
tree | 2867f13f5fd5437ba628c67d7f87309ccadcd286 /src/test/ui/lint/unused/unused-supertrait.rs | |
parent | Releasing progress-linux version 1.65.0+dfsg1-2~progress7.99u1. (diff) | |
download | rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.tar.xz rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.zip |
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/lint/unused/unused-supertrait.rs')
-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 +} |