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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _translate_cond(self, c):
 #pylint:disable=no-self-use """ Checks whether this condition can be supported by FastMemory." """

        if isinstance(c, claripy.ast.Base) and not c.singlevalued:
            raise SimFastMemoryError("size not supported")
        if c is None:
            return True
        else:
            return self.state.solver.eval_upto(c, 1)[0]