code: def p_declassign(self, p):
          'declassign : sigtypes declassign_element SEMICOLON'
          decllist = self.create_declassign(
              p[1], p[2][0], p[2][1], lineno=p.lineno(2))
          p[0] = Decl(decllist, lineno=p.lineno(1))
          p.set_lineno(0, p.lineno(1)f p_declassign(self, p):
          'declassign : sigtypes declassign_element SEMICOLON'
          decllist = self.create_declassign(
              p[1], p[2][0], p[2][1], lineno=p.lineno(2))
          p[0] = Decl(decllist, lineno=p.lineno(1))
          p.set_lineno(0, p.lineno(1))
docs: declassign : sigtypes declassign_element SEMICOLON