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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-36139-normalize-closure-sig.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-36139-normalize-closure-sig.rs b/src/test/ui/issues/issue-36139-normalize-closure-sig.rs new file mode 100644 index 000000000..2d49151ff --- /dev/null +++ b/src/test/ui/issues/issue-36139-normalize-closure-sig.rs @@ -0,0 +1,19 @@ +// run-pass +// Previously the closure's argument would be inferred to +// <S as ITrait<'a>>::Item, causing an error in MIR type +// checking + +trait ITrait<'a> {type Item;} + +struct S {} + +impl<'a> ITrait<'a> for S { type Item = &'a mut usize; } + +fn m<T, I, F>(_: F) + where I: for<'a> ITrait<'a>, + F: for<'a> FnMut(<I as ITrait<'a>>::Item) { } + + +fn main() { + m::<usize,S,_>(|x| { *x += 1; }); +} |