ruby-smart / support / #8

coverage: 99.083%. Remained the same

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100.0
/lib/ruby_smart/support/core_ext/ruby/enumerator.rb
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# frozen_string_literal: true
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unless Enumerator.method_defined? :from_hash




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  class Enumerator




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    # returns a new array with only values from provided key.










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    # The Enumerator must be an array of hashes.










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    #










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    # @example










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    #   ary = [{a: 34, b: 12}, {a: 19, c: 4}, {b: 3, c: 11}]










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    #   ary.map.from_hash(:a)










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    #   > [34, 19, nil]










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    #










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    # @param [Object] key










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    # @return [Array] ary










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    def from_hash(key)




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      map &->(item){item[key]}




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    end










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  end










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end























    

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