rust/tests/ui/issues/issue-21600.rs
2023-01-11 09:32:08 +00:00

19 lines
429 B
Rust

fn call_it<F>(f: F) where F: Fn() { f(); }
struct A;
impl A {
fn gen(&self) {}
fn gen_mut(&mut self) {}
}
fn main() {
let mut x = A;
call_it(|| {
call_it(|| x.gen());
call_it(|| x.gen_mut());
//~^ ERROR cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure
//~| ERROR cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure
});
}