Properly warn when implicitly copying into closures #2506
Description
This code doesn't produce any warnings, but it should:
fn main() {
let x = {mut f: 3};
let f = fn@() {
x.f = 4;
};
f();
}
{{ message }}
This code doesn't produce any warnings, but it should:
fn main() {
let x = {mut f: 3};
let f = fn@() {
x.f = 4;
};
f();
}