::-- huangyi [2006-04-22 16:26:39]
::-- ZoomQuiet [2005-09-06 04:10:30]
1. 问:f(*m)这个技巧确实不错。不知道这个语法是否可以用在方法调用上, 比如 x.f(*y)？
Q: The f(*m) trick is cool. Does the same syntax work with method calls, like x.f(*y)?
This question reveals a common misconception. There is no syntax for method calls! There is a syntax for calling a function, and there is a syntax for extracting a field from an object, and there are bound methods. Together these three features conspire to make it look like x.f(y) is a single piece of syntax, when actually it is equivalent to (x.f)(y), which is equivalent to (getattr(x, 'f'))(y). I can see you don't believe me. Look: