Module: Enumerable

Defined in:: lib/lightcore.rb

Instance Method Summary collapse

Instance Method Details

#count_by(&block) ⇒ `Object`



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# File 'lib/lightcore.rb', line 5

def count_by(&block)
  inject(Hash.new(0)){|memo, obj| memo[yield(obj)] += 1; memo }
end

#hash_map(&block) ⇒ `Object`



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# File 'lib/lightcore.rb', line 9

def hash_map(&block)
  Hash[ map(&block) ]
end