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## Summary This PR adds a new `LiteralExpressionRef` which wraps all of the literal expression nodes in a single enum. This allows for a narrow type when working exclusively with a literal node. Additionally, it also implements a `Expr::as_literal_expr` method to return the new enum if the expression is indeed a literal one. A few rules have been updated to account for the new enum: 1. `redundant_literal_union` 2. `if_else_block_instead_of_dict_lookup` 3. `magic_value_comparison` To account for the change in (2), a new `ComparableLiteral` has been added which can be constructed from the new enum (`ComparableLiteral::from(<LiteralExpressionRef>)`). ### Open Questions 1. The new `ComparableLiteral` can be exclusively used via the `LiteralExpressionRef` enum. Should we remove all of the literal variants from `ComparableExpr` and instead have a single `ComparableExpr::Literal(ComparableLiteral)` variant instead? ## Test Plan `cargo test` |
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| .. | ||
| visitor | ||
| all.rs | ||
| call_path.rs | ||
| comparable.rs | ||
| docstrings.rs | ||
| expression.rs | ||
| hashable.rs | ||
| helpers.rs | ||
| identifier.rs | ||
| imports.rs | ||
| int.rs | ||
| lib.rs | ||
| node.rs | ||
| nodes.rs | ||
| parenthesize.rs | ||
| relocate.rs | ||
| statement_visitor.rs | ||
| stmt_if.rs | ||
| str.rs | ||
| traversal.rs | ||
| types.rs | ||
| visitor.rs | ||
| whitespace.rs | ||