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Handle to_h with block in Rails/IndexBy and Rails/IndexWith #324

Merged
merged 1 commit into from
Aug 11, 2020
Merged

Handle to_h with block in Rails/IndexBy and Rails/IndexWith #324

merged 1 commit into from
Aug 11, 2020

Commits on Aug 11, 2020

  1. Handle to_h with block in IndexBy and IndexWith 

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

If the element is always returned as either the key or the value, using
`Enumerable#index_by` or `Enumerable#index_with` 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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