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-### What it does
-Checks for bindings that shadow other bindings already in
-scope, while just changing reference level or mutability.
-
-### Why is this bad?
-Not much, in fact it's a very common pattern in Rust
-code. Still, some may opt to avoid it in their code base, they can set this
-lint to `Warn`.
-
-### Example
-```
-let x = &x;
-```
-
-Use instead:
-```
-let y = &x; // use different variable name
-```
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