Class: Enumerating::Filter

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/enumerating/filtering.rb

Constant Summary collapse

DONE = 
"done-#{self.object_id}".to_sym

Instance Method Summary collapse

Methods included from Enumerable

#[], #collecting, #dropping, #dropping_while, #prefetching, #rejecting, #selecting, #taking, #taking_while, #threading, #uniqing, #uniqing_by

Constructor Details

#initialize(&generator) ⇒ Filter

Returns a new instance of Filter.



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# File 'lib/enumerating/filtering.rb', line 9

def initialize(&generator)
  @generator = generator
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/enumerating/filtering.rb', line 15

def each
  return to_enum unless block_given?
  yielder = proc { |x| yield x }
  catch DONE do
    @generator.call(yielder)
  end
end