def before(x, y): e1 = env_setitem(newenv, embed(x), x) e1 = env_setitem(e1, embed(y), y) e2 = env_setitem(newenv, embed(y), y) e2 = env_setitem(e2, embed(x), x) return env_getitem(env_add(e1, e2), embed(x), 0)
def f(x, y): e1 = env_setitem(newenv, embed(x), 100) e2 = env_setitem(newenv, embed(x), 10) e2 = env_setitem(e2, embed(y), 20) e3 = env_add(e1, e2) a = env_getitem(e3, embed(x), 0) b = env_getitem(e3, embed(y), 0) c = env_getitem(e3, embed(a), 0) return (a, b, c)
def b_help(x, y): return env_setitem(newenv, key, x * y)
def before(x, y): a = 5678 e = env_setitem(newenv, embed(x), y) e = env_setitem(e, embed(a), a) return env_getitem(e, embed(x), 1234)
def f2(x, y): return env_setitem(newenv, key, x + y)
def f1(x, y): return env_setitem(newenv, key, x * y)