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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/lint/dead-code/impl-trait.rs | |
parent | Initial commit. (diff) | |
download | rustc-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/lint/dead-code/impl-trait.rs')
-rw-r--r-- | src/test/ui/lint/dead-code/impl-trait.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/lint/dead-code/impl-trait.rs b/src/test/ui/lint/dead-code/impl-trait.rs new file mode 100644 index 000000000..757b8f83e --- /dev/null +++ b/src/test/ui/lint/dead-code/impl-trait.rs @@ -0,0 +1,18 @@ +#![deny(dead_code)] + +trait Trait { + type Type; +} + +impl Trait for () { + type Type = (); +} + +type Used = (); +type Unused = (); //~ ERROR type alias `Unused` is never used + +fn foo() -> impl Trait<Type = Used> {} + +fn main() { + foo(); +} |