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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/higher-rank-trait-bounds/normalize-under-binder/issue-62529-3.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/higher-rank-trait-bounds/normalize-under-binder/issue-62529-3.rs')
-rw-r--r-- | tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-62529-3.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-62529-3.rs b/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-62529-3.rs new file mode 100644 index 000000000..d84e30f49 --- /dev/null +++ b/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-62529-3.rs @@ -0,0 +1,32 @@ +trait ATC<'a> { + type Type: Sized; +} + +trait WithDefault: for<'a> ATC<'a> { + fn with_default<F: for<'a> Fn(<Self as ATC<'a>>::Type)>(f: F); +} + +fn call<'b, T: for<'a> ATC<'a>, F: for<'a> Fn(<T as ATC<'a>>::Type)>( + f: F, + x: <T as ATC<'b>>::Type, +) { + f(x); +} + +impl<'a> ATC<'a> for () { + type Type = Self; +} + +impl WithDefault for () { + fn with_default<F: for<'a> Fn(<Self as ATC<'a>>::Type)>(f: F) { + // Errors with a bogus type mismatch. + //f(()); + // Going through another generic function works fine. + call(f, ()); + //~^ expected a + } +} + +fn main() { + // <()>::with_default(|_| {}); +} |