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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/inference/issue-72616.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/inference/issue-72616.rs')
-rw-r--r-- | tests/ui/inference/issue-72616.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/ui/inference/issue-72616.rs b/tests/ui/inference/issue-72616.rs new file mode 100644 index 000000000..69ade1a75 --- /dev/null +++ b/tests/ui/inference/issue-72616.rs @@ -0,0 +1,32 @@ +// ignore-wasm32 FIXME: ignoring wasm as it suggests slightly different impls + +// Regression test for #72616, it used to emit incorrect diagnostics, like: +// error[E0283]: type annotations needed for `String` +// --> src/main.rs:8:30 +// | +// 5 | let _: String = "".to_owned().try_into().unwrap(); +// | - consider giving this pattern a type +// ... +// 8 | if String::from("a") == "a".try_into().unwrap() {} +// | ^^ cannot infer type for struct `String` +// | +// = note: cannot satisfy `String: PartialEq<_>` + +use std::convert::TryInto; + +pub fn main() { + { + let _: String = "".to_owned().try_into().unwrap(); + } + { + if String::from("a") == "a".try_into().unwrap() {} + //~^ ERROR type annotations needed + //~| ERROR type annotations needed + } + { + let _: String = match "_".try_into() { + Ok(a) => a, + Err(_) => "".into(), + }; + } +} |