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Allow duplicated switch cases.

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Stephen Chung
2022-07-18 13:40:41 +08:00
parent 4b760d1d0f
commit 7dca916c45
9 changed files with 235 additions and 145 deletions
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CHANGELOG.md
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@@ -14,10 +14,17 @@ New features
Enhancements
------------
### `switch` statement
* `switch` cases can now include multiple values separated by `|`.
* Duplicated `switch` cases are now allowed.
* The error `ParseErrorType::DuplicatedSwitchCase` is deprecated.
* Ranges in `switch` statements that are small (currently no more than 16 items) are unrolled if possible.
### Others
* `EvalContext::eval_expression_tree_raw` and `Expression::eval_with_context_raw` are added to allow for not rewinding the `Scope` at the end of a statements block.
* A new `range` function variant that takes an exclusive range with a step.
* Ranges in `switch` statements that are small (currently no more than 16 items) are unrolled if possible.
Version 1.8.0