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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/issues/issue-59494.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/issues/issue-59494.rs')
-rw-r--r-- | src/test/ui/issues/issue-59494.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-59494.rs b/src/test/ui/issues/issue-59494.rs new file mode 100644 index 000000000..a53e28f72 --- /dev/null +++ b/src/test/ui/issues/issue-59494.rs @@ -0,0 +1,23 @@ +fn t7p<A, B, C>(f: impl Fn(B) -> C, g: impl Fn(A) -> B) -> impl Fn(A) -> C { + move |a: A| -> C { f(g(a)) } +} + +fn t8n<A, B, C>(f: impl Fn(A) -> B, g: impl Fn(A) -> C) -> impl Fn(A) -> (B, C) +where + A: Copy, +{ + move |a: A| -> (B, C) { + let b = a; + let fa = f(a); + let ga = g(b); + (fa, ga) + } +} + +fn main() { + let f = |(_, _)| {}; + let g = |(a, _)| a; + let t7 = |env| |a| |b| t7p(f, g)(((env, a), b)); + let t8 = t8n(t7, t7p(f, g)); + //~^ ERROR: expected a `Fn<(_,)>` closure, found `impl Fn(((_, _), _))` [E0277] +} |