diff options
Diffstat (limited to 'tests/ui/borrowck/issue-103095.rs')
-rw-r--r-- | tests/ui/borrowck/issue-103095.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tests/ui/borrowck/issue-103095.rs b/tests/ui/borrowck/issue-103095.rs new file mode 100644 index 000000000..0340f3924 --- /dev/null +++ b/tests/ui/borrowck/issue-103095.rs @@ -0,0 +1,30 @@ +// check-pass + +trait FnOnceForGenericRef<T>: FnOnce(&T) -> Self::FnOutput { + type FnOutput; +} + +impl<T, R, F: FnOnce(&T) -> R> FnOnceForGenericRef<T> for F { + type FnOutput = R; +} + +struct Data<T, D: FnOnceForGenericRef<T>> { + value: Option<T>, + output: Option<D::FnOutput>, +} + +impl<T, D: FnOnceForGenericRef<T>> Data<T, D> { + fn new(value: T, f: D) -> Self { + let output = f(&value); + Self { + value: Some(value), + output: Some(output), + } + } +} + +fn test() { + Data::new(String::new(), |_| {}); +} + +fn main() {} |