Class: EnumerableFu::Zipper
- Inherits:
-
Object
- Object
- EnumerableFu::Zipper
- Includes:
- Enumerable
- Defined in:
- lib/enumerable_fu/zipping.rb
Instance Method Summary collapse
- #each ⇒ Object
-
#initialize(enumerables) ⇒ Zipper
constructor
A new instance of Zipper.
Methods included from Enumerable
#collecting, #rejecting, #selecting, #uniqing, #uniqing_by
Constructor Details
#initialize(enumerables) ⇒ Zipper
Returns a new instance of Zipper.
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# File 'lib/enumerable_fu/zipping.rb', line 7 def initialize(enumerables) @enumerables = enumerables end |
Instance Method Details
#each ⇒ Object
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# File 'lib/enumerable_fu/zipping.rb', line 11 def each enumerators = @enumerables.map(&:to_enum) while true chunk = enumerators.map do |enumerator| begin enumerator.next rescue StopIteration nil end end break if chunk.all?(&:nil?) yield chunk end end |