def truncate(self, pos=None):
        self._unsupported("truncate")
Constructor.
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/_pyio.py/TextIOBase.truncate--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/protorpc/protorpc/messages.py/Field.__init__