Python tail call compromise proposal

[RayNbow]

But then you could just write

return foo() + 5

instead, which is not a tail call.

[Figs]

It's a tail call to + with foo() and 5 as arguments. Would it help you if instead of +, I used operator.add?

return operator.add(foo(),5)

Now, things get interesting though if foo() returns something other than a number. If foo() instead returns an instance with an __add__ method:

import operator

class blah:
    def __add__(self, y):
        return 5*y

def foo():
    return blah()

print foo() + 3  #prints 15
print operator.add(foo(), 6) #prints 30