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error[E0594]: cannot assign to `*input`, which is behind a `&` reference
--> $DIR/issue-68049-2.rs:9:7
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LL | *input = self.0;
| ^^^^^^^^^^^^^^^ `input` is a `&` reference, so the data it refers to cannot be written
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help: consider changing this to be a mutable reference in the `impl` method and the `trait` definition
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LL | fn example(&self, input: &mut i32) {
| +++
error[E0594]: cannot assign to `self.0`, which is behind a `&` reference
--> $DIR/issue-68049-2.rs:17:5
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LL | self.0 += *input;
| ^^^^^^^^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be written
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help: consider changing this to be a mutable reference in the `impl` method and the `trait` definition
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LL ~ fn example(&mut self, input: &i32);
LL | }
...
LL | impl Hello for Test2 {
LL ~ fn example(&mut self, input: &i32) {
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error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0594`.
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