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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/lint/unused/must_use-trait.rs | |
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/lint/unused/must_use-trait.rs')
-rw-r--r-- | src/test/ui/lint/unused/must_use-trait.rs | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/src/test/ui/lint/unused/must_use-trait.rs b/src/test/ui/lint/unused/must_use-trait.rs deleted file mode 100644 index 0aa751443..000000000 --- a/src/test/ui/lint/unused/must_use-trait.rs +++ /dev/null @@ -1,39 +0,0 @@ -#![deny(unused_must_use)] - -#[must_use] -trait Critical {} - -trait NotSoCritical {} - -trait DecidedlyUnimportant {} - -struct Anon; - -impl Critical for Anon {} -impl NotSoCritical for Anon {} -impl DecidedlyUnimportant for Anon {} - -fn get_critical() -> impl NotSoCritical + Critical + DecidedlyUnimportant { - Anon {} -} - -fn get_boxed_critical() -> Box<dyn Critical> { - Box::new(Anon {}) -} - -fn get_nested_boxed_critical() -> Box<Box<dyn Critical>> { - Box::new(Box::new(Anon {})) -} - -fn get_critical_tuple() -> (u32, Box<dyn Critical>, impl Critical, ()) { - (0, get_boxed_critical(), get_critical(), ()) -} - -fn main() { - get_critical(); //~ ERROR unused implementer of `Critical` that must be used - get_boxed_critical(); //~ ERROR unused boxed `Critical` trait object that must be used - get_nested_boxed_critical(); - //~^ ERROR unused boxed boxed `Critical` trait object that must be used - get_critical_tuple(); //~ ERROR unused boxed `Critical` trait object in tuple element 1 - //~^ ERROR unused implementer of `Critical` in tuple element 2 -} |