Module: Tins::CountBy

Extended by:
Deprecate
Defined in:
lib/tins/count_by.rb

Instance Method Summary collapse

Methods included from Deprecate

deprecate

Instance Method Details

#count_by(&block) ⇒ Object



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# File 'lib/tins/count_by.rb', line 6

def count_by(&block)
  block ||= lambda { |x| true }
  inject(0) { |s, e| s += 1 if block.call(e); s }
end