rust/tests/ui/fn/fn-closure-mutable-capture.rs
2023-01-11 09:32:08 +00:00

13 lines
348 B
Rust

pub fn bar<F: Fn()>(_f: F) {} //~ NOTE change this to accept `FnMut` instead of `Fn`
pub fn foo() {
let mut x = 0;
bar(move || x = 1);
//~^ ERROR cannot assign to `x`, as it is a captured variable in a `Fn` closure
//~| NOTE cannot assign
//~| NOTE expects `Fn` instead of `FnMut`
//~| NOTE in this closure
}
fn main() {}