Fix false positive for Style/EmptyLiteral with Hash.new([])
#13178
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The first parameter for Hash.new is the default value: ```rb Hash.new([])[:foo] # => [] ``` Side note: this usage is most likely a programming error. You want the block form where different keys _don't_ share the same underlying array.
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Yes, the compatibility with the behavior of |
8 tasks
Indeed. We should probably add a Lint check for this. |
8 tasks
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The first parameter for Hash.new is the default value:
Side note: this usage is most likely a programming error. You want the block form where different keys don't share the same underlying array.
Before submitting the PR make sure the following are checked:
[Fix #issue-number](if the related issue exists).master(if not - rebase it).bundle exec rake default. It executes all tests and runs RuboCop on its own code.{change_type}_{change_description}.mdif the new code introduces user-observable changes. See changelog entry format for details.