File: write_to_static_via_mut_ref.rs

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#![feature(const_mut_refs)]

static OH_NO: &mut i32 = &mut 42; //~ ERROR mutable references are not allowed
fn main() {
    assert_eq!(*OH_NO, 42);
    *OH_NO = 43; //~ ERROR cannot assign to `*OH_NO`, as `OH_NO` is an immutable static
}