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// This should never be allowed -- since `x` is not `mut`, so `x.0`
// cannot be assigned twice.
fn var_then_field() {
let x: (u32, u32);
x = (22, 44);
x.0 = 1; //~ ERROR
}
fn same_field_twice() {
let x: (u32, u32);
x.0 = 1; //~ ERROR
x.0 = 22;
x.1 = 44;
}
fn main() { }
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