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Support Ruby 2.7's pattern matching for Lint/DuplicateBranch #9930

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koic
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@koic koic commented Jul 14, 2021

This PR supports Ruby 2.7's pattern matching for Lint/DuplicateBranch.

When rubocop/rubocop-ast#192 is merged, please remove the Lint::DuplicateBranch#case_match_branches(node) private method and use AST::CaseMatchNode#branches instead.

And this PR uses rubocop/rubocop-ast#192 feature, so it requires RuboCop AST 1.8.0 or higher.


Before submitting the PR make sure the following are checked:

  • The PR relates to only one subject with a clear title and description in grammatically correct, complete sentences.
  • Wrote good commit messages.
  • Commit message starts with [Fix #issue-number] (if the related issue exists).
  • Feature branch is up-to-date with master (if not - rebase it).
  • Squashed related commits together.
  • Added tests.
  • Ran bundle exec rake default. It executes all tests and runs RuboCop on its own code.
  • Added an entry (file) to the changelog folder named {change_type}_{change_description}.md if the new code introduces user-observable changes. See changelog entry format for details.

@koic koic force-pushed the add_pattern_matching_doc_and_test_for_lint_duplicate_branch branch 2 times, most recently from 5266372 to ae0e458 Compare July 14, 2021 17:28
This PR supports Ruby 2.7's pattern matching for `Lint/DuplicateBranch`.

And this PR uses rubocop/rubocop-ast#192 feature,
so it requires RuboCop AST 1.8.0 or higher.
@koic koic force-pushed the add_pattern_matching_doc_and_test_for_lint_duplicate_branch branch from ae0e458 to 311cd0d Compare July 14, 2021 17:33
@bbatsov bbatsov merged commit 36029ff into rubocop:master Jul 19, 2021
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bbatsov commented Jul 19, 2021

Nice! Thanks for tackling this!

@koic koic deleted the add_pattern_matching_doc_and_test_for_lint_duplicate_branch branch July 19, 2021 07:19
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2 participants