having fun

pb.py

def ift(p, vt, vf):
    return lambda val: (ift(*vt)(val) if isinstance(vt, tuple) else vt) \
 if p(val) else (ift(*vf)(val) if isinstance(vf, tuple) else vf)

compile = lambda f: sum([  int(bool(f(x)))<<x for x in range(0, 256) ]  )
interpret = lambda code: lambda val: int((1<<(val))&code != 0) 
code_by3=compile( lambda  x: (x%3)==0)
print bin(code_by3)
evaluate=interpret(code_by3)
sign = ift(lambda x:x>0, 1, (lambda y: y==0, 0, (lambda z:z<0, -1, 1)))
cmp = lambda x,y: sign(x-y)

print "\n".map(lambda x:"%r to 1 compares as %d " % (x,cmp(x,1)), range(10))

print "\n".join(map(lambda x: "%d is %sdivsisble by 3" % (x, ift(evaluate, "", "not ")(x)), range(10)))

state machine code.py

def ift(p, vt, vf):
    return lambda val: (ift(*vt)(val) if isinstance(vt, tuple) else vt) \
 if p(val) else (ift(*vf)(val) if isinstance(vf, tuple) else vf)

compile = lambda f: sum([int(bool(f(x)))<<x for x in range(0, 256)])
interpret = lambda code: lambda val: int((1<<(val))&code != 0) 

code_by3 = compile(lambda  x: (x%3)==0)
code_by2 = compile(lambda  x: (x%2)==0)
code_by6 = code_by3&code_by2

print bin(code_by3)
print bin(code_by6)


#unit_testing
assert code_by6 == compile(lambda  x: (x%6)==0), "not same results"
assert str(bin(code_by6)).endswith("100001"), "not same code" 


evaluate=interpret(code_by6)

print "\n".join(map(lambda x: "%d is %sdivsisble by 6" % (x, ift(evaluate, "", "not ")(x)), range(10)))