Aaron Hill f422ef141a Add CONST_ITEM_MUTATION lint ... Fixes #74053 Fixes #55721 This PR adds a new lint `CONST_ITEM_MUTATION`. Given an item `const FOO: SomeType = ..`, this lint fires on: * Attempting to write directly to a field (`FOO.field = some_val`) or array entry (`FOO.array_field[0] = val`) * Taking a mutable reference to the `const` item (`&mut FOO`), including through an autoderef `FOO.some_mut_self_method()` The lint message explains that since each use of a constant creates a new temporary, the original `const` item will not be modified.		2020-09-07 08:44:35 -04:00
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src	Add CONST_ITEM_MUTATION lint	2020-09-07 08:44:35 -04:00
Cargo.toml