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// Test that even unboxed closures that are capable of mutating their
// environment cannot mutate captured variables that have not been
// declared mutable (#18335)
fn set(x: &mut usize) { *x = 0; }
fn main() {
let x = 0;
move || x = 1; //~ ERROR cannot assign
move || set(&mut x); //~ ERROR cannot borrow
move || x = 1; //~ ERROR cannot assign
move || set(&mut x); //~ ERROR cannot borrow
|| x = 1; //~ ERROR cannot assign
|| set(&mut x); //~ ERROR cannot borrow
|| x = 1; //~ ERROR cannot assign
|| set(&mut x); //~ ERROR cannot borrow
}
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