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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/impl-trait/cross-return-site-inference.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/impl-trait/cross-return-site-inference.rs')
-rw-r--r-- | src/test/ui/impl-trait/cross-return-site-inference.rs | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/cross-return-site-inference.rs b/src/test/ui/impl-trait/cross-return-site-inference.rs new file mode 100644 index 000000000..d881af9ed --- /dev/null +++ b/src/test/ui/impl-trait/cross-return-site-inference.rs @@ -0,0 +1,45 @@ +// edition:2021 + +fn foo(b: bool) -> impl std::fmt::Debug { + if b { + return vec![42] + } + [].into_iter().collect() +} + +fn bar(b: bool) -> impl std::fmt::Debug { + if b { + return [].into_iter().collect() + } + vec![42] +} + +fn bak(b: bool) -> impl std::fmt::Debug { + if b { + return std::iter::empty().collect() + } + vec![42] +} + +fn baa(b: bool) -> impl std::fmt::Debug { + if b { + return [42].into_iter().collect() + } + vec![] +} + +fn muh() -> Result<(), impl std::fmt::Debug> { + Err("whoops")?; + Ok(()) //~ ERROR type annotations needed +} + +fn muh2() -> Result<(), impl std::fmt::Debug> { + return Err(From::from("foo")); //~ ERROR type annotations needed + Ok(()) +} + +fn muh3() -> Result<(), impl std::fmt::Debug> { + Err(From::from("foo")) //~ ERROR type annotations needed +} + +fn main() {} |