method

transform_keys!

Ruby on Rails latest stable (v7.1.3.2) - 0 notes - Class: Hash

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What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v5.2.3) is shown here.

These similar methods exist in v7.1.3.2:

ActionController::Parameters#transform_keys!
ActiveSupport::HashWithIndifferentAccess#transform_keys!

transform_keys!() public

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

Show source

# File activesupport/lib/active_support/core_ext/hash/keys.rb, line 25
  def transform_keys!
    return enum_for(:transform_keys!) { size } unless block_given?
    keys.each do |key|
      self[yield(key)] = delete(key)
    end
    self
  end

transform_keys!

Related methods

Method deprecated or moved