method

transform_keys!

v4.1.8 - Show latest stable - Class: Hash

transform_keys!()

public

Destructively convert all keys using the block operations. Same as transform_keys but modifies self.

# File activesupport/lib/active_support/core_ext/hash/keys.rb, line 18
  def transform_keys!
    keys.each do |key|
      self[yield(key)] = delete(key)
    end
    self
  end

transform_keys!

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