Method: Sequence#holding

Defined in:
lib/sequence.rb

#holding ⇒ Object

hold current position while executing a block. The block is passed the current sequence as its parameter. you can move the position around or call methods like read that do it, but after the block returns, the position is reset to the original location. The return value is the result of the block.



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# File 'lib/sequence.rb', line 259

def holding
  oldpos=pos
  begin
    yield self
  ensure
    self.pos=oldpos
  end
end