Method: Sequence#holding?

Defined in:
lib/sequence.rb

#holding? ⇒ Boolean

like #holding, but position is reset only if block returns false or nil (or raises an exception).



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# File 'lib/sequence.rb', line 270

def holding?
  oldpos=pos
  begin
    result=yield self
  ensure
    (self.pos=oldpos) unless result
  end
end