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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
commit | 246f239d9f40f633160f0c18f87a20922d4e77bb (patch) | |
tree | 5a88572663584b3d4d28e5a20e10abab1be40884 /src/tools/clippy/tests/ui/unwrap_expect_used.rs | |
parent | Releasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip |
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/unwrap_expect_used.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/unwrap_expect_used.rs b/src/tools/clippy/tests/ui/unwrap_expect_used.rs new file mode 100644 index 000000000..9f27fef82 --- /dev/null +++ b/src/tools/clippy/tests/ui/unwrap_expect_used.rs @@ -0,0 +1,35 @@ +#![warn(clippy::unwrap_used, clippy::expect_used)] + +trait OptionExt { + type Item; + + fn unwrap_err(self) -> Self::Item; + + fn expect_err(self, msg: &str) -> Self::Item; +} + +impl<T> OptionExt for Option<T> { + type Item = T; + fn unwrap_err(self) -> T { + panic!(); + } + + fn expect_err(self, msg: &str) -> T { + panic!(); + } +} + +fn main() { + Some(3).unwrap(); + Some(3).expect("Hello world!"); + + // Don't trigger on unwrap_err on an option + Some(3).unwrap_err(); + Some(3).expect_err("Hellow none!"); + + let a: Result<i32, i32> = Ok(3); + a.unwrap(); + a.expect("Hello world!"); + a.unwrap_err(); + a.expect_err("Hello error!"); +} |