method

select!

Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: Parameters

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What's this?

select!(&block) public

Equivalent to Hash#keep_if, but returns nil if no changes were made.

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 771
    def select!(&block)
      @parameters.select!(&block)
      self
    end

select!

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