Contents

# frozen_string_literal: true

module Doing
  # Hash helpers
  class ::Hash
    ##
    ## @brief      Freeze all values in a hash
    ##
    ## @return     { description_of_the_return_value }
    ##
    def deep_freeze
      map { |k, v| v.is_a?(Hash) ? v.deep_freeze : v.freeze }.freeze
    end

    def deep_freeze!
      replace deep_freeze
    end

    # Turn all keys into string
    #
    # Return a copy of the hash where all its keys are strings
    def stringify_keys
      each_with_object({}) { |(k, v), hsh| hsh[k.to_s] = v.is_a?(Hash) ? v.stringify_keys : v }
    end

    # Turn all keys into symbols
    def symbolize_keys
      each_with_object({}) { |(k, v), hsh| hsh[k.to_sym] = v.is_a?(Hash) ? v.symbolize_keys : v }
    end
  end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
doing-2.0.9.pre	lib/doing/hash.rb
doing-2.0.8.pre	lib/doing/hash.rb
doing-2.0.7.pre	lib/doing/hash.rb
doing-2.0.6.pre	lib/doing/hash.rb
doing-2.0.5.pre	lib/doing/hash.rb
doing-2.0.3.pre	lib/doing/hash.rb
doing-2.0.2.pre	lib/doing/hash.rb