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Diffstat (limited to 'tests/ui/borrowck/issue-45983.rs')
-rw-r--r-- | tests/ui/borrowck/issue-45983.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/ui/borrowck/issue-45983.rs b/tests/ui/borrowck/issue-45983.rs new file mode 100644 index 000000000..6784f6f86 --- /dev/null +++ b/tests/ui/borrowck/issue-45983.rs @@ -0,0 +1,12 @@ +// As documented in Issue #45983, this test is evaluating the quality +// of our diagnostics on erroneous code using higher-ranked closures. + +fn give_any<F: for<'r> FnOnce(&'r ())>(f: F) { + f(&()); +} + +fn main() { + let mut x = None; + give_any(|y| x = Some(y)); + //~^ ERROR borrowed data escapes outside of closure +} |