Hello all! Please enlighten me about optional typecheck:
1) Will it be available in Python 2.5?
2) Will it support things like
def f(a: int | float)
3) Will it support interface checking like
def g(a: BookInterface)
or even mix like
def k(a: file | BookInterface)
4) Will it support things like
def t(*args: T1 | T2, **kwds: T1 | T3)