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// Verify the binding mode shifts - only when no `&` are auto-dereferenced is the
// final default binding mode mutable.
fn main() {
match &&Some(5i32) {
Some(n) => {
*n += 1; //~ ERROR cannot assign to `*n`, which is behind a `&` reference
let _ = n;
}
None => {},
};
match &mut &Some(5i32) {
Some(n) => {
*n += 1; //~ ERROR cannot assign to `*n`, which is behind a `&` reference
let _ = n;
}
None => {},
};
match &&mut Some(5i32) {
Some(n) => {
*n += 1; //~ ERROR cannot assign to `*n`, which is behind a `&` reference
let _ = n;
}
None => {},
};
}
|
