Hello Robert,
BCS wrote:Theory 1: it's a side effect of two features: this is allowed int myFunc(int) // I never use the arg so why name it? { } and this is allowed int myFunc(int i = 5) // normal defaulting { } so to avoid corner cases they are allowed in combination theory 2: it gives a function (with an anon arg, see above) that can be called like this: myfun(5); and like this: myfun();To elaborate, this would be useful for extern functions, i.e. extern(C) int myFunc(int = 5); myFunc(); // Calls myFunc(5); myFunc(6);
Ah, and yet another use. I think that is an even better theory than either of mine.
