Module: Enumerable

Included in:
EnumerableFu::Filter, EnumerableFu::Merger, EnumerableFu::Zipper
Defined in:
lib/enumerable_fu/filtering.rb

Instance Method Summary collapse

Instance Method Details

#collecting ⇒ Object 



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# File 'lib/enumerable_fu/filtering.rb', line 25

def collecting
  EnumerableFu::Filter.new do |output|
    each do |element|
      output.call yield(element)
    end
  end
end

#rejecting ⇒ Object 



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# File 'lib/enumerable_fu/filtering.rb', line 41

def rejecting
  EnumerableFu::Filter.new do |output|
    each do |element|
      output.call(element) unless yield(element)
    end
  end
end

#selecting ⇒ Object 



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# File 'lib/enumerable_fu/filtering.rb', line 33

def selecting
  EnumerableFu::Filter.new do |output|
    each do |element|
      output.call(element) if yield(element)
    end
  end
end

#uniqing ⇒ Object 



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# File 'lib/enumerable_fu/filtering.rb', line 49

def uniqing
  EnumerableFu::Filter.new do |output|
    seen = Set.new
    each do |element|
      output.call(element) if seen.add?(element)
    end
  end
end

#uniqing_by ⇒ Object 



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# File 'lib/enumerable_fu/filtering.rb', line 58

def uniqing_by
  EnumerableFu::Filter.new do |output|
    seen = Set.new
    each do |element|
      output.call(element) if seen.add?(yield element)
    end
  end
end