rust/tests/ui/unboxed-closures/unboxed-closure-no-cyclic-sig.rs
2023-10-20 21:14:01 +00:00

10 lines
239 B
Rust

// Test that unboxed closures cannot capture their own type.
//
// Also regression test for issue #21410.
fn g<F>(_: F) where F: FnOnce(Option<F>) {}
fn main() {
g(|_| { }); //~ ERROR closure/coroutine type that references itself
}