diff options
Diffstat (limited to 'src/test/ui/functions-closures/closure-expected-type/issue-38714.rs')
-rw-r--r-- | src/test/ui/functions-closures/closure-expected-type/issue-38714.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/functions-closures/closure-expected-type/issue-38714.rs b/src/test/ui/functions-closures/closure-expected-type/issue-38714.rs new file mode 100644 index 000000000..e97785b5c --- /dev/null +++ b/src/test/ui/functions-closures/closure-expected-type/issue-38714.rs @@ -0,0 +1,19 @@ +// run-pass +#![allow(dead_code)] +#![allow(unused_variables)] +struct UsizeRef<'a> { + a: &'a usize +} + +type RefTo = Box<dyn for<'r> Fn(&'r Vec<usize>) -> UsizeRef<'r>>; + +fn ref_to<'a>(vec: &'a Vec<usize>) -> UsizeRef<'a> { + UsizeRef{ a: &vec[0]} +} + +fn main() { + // Regression test: this was causing ICEs; it should compile. + let a: RefTo = Box::new(|vec: &Vec<usize>| { + UsizeRef{ a: &vec[0] } + }); +} |