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Handle to_h with block in Style/HashTransformKeys and Style/HashTransformValues #8517

Merged
merged 1 commit into from Aug 11, 2020
Merged

Handle to_h with block in Style/HashTransformKeys and Style/HashTransformValues #8517

merged 1 commit into from Aug 11, 2020
+100 −8

Commits on Aug 11, 2020

  1. Handle to_h with block in hash transformation cops 

    Since Ruby 2.6, `Hash#to_h` accepts a block which is called with each
pair and must return a key and value to include in the new hash.

If either the key or the value are always returned unchanged, using
`Hash#transform_keys` or `Hash#transform_values` is faster and clearer.

This is similar to the existing logic that detects `map { ... }.to_h`.
    @eugeneius
    eugeneius committed Aug 11, 2020
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