def p_define_function(self, p):
        if p.parser.enable_declaratives():
            p.parser.namespace.define_function(p[2], p[4], p[6])
Test that the pow() function works properly.
dataset/ETHPy150Open ardekantur/pyglet/tools/wraptypes/preprocessor.py/PreprocessorGrammar.p_define_function--crossover with--dataset/ETHPy150Open mozilla/app-validator/tests/js/test_math.py/TestMathFuncs.test_pow