🚀 go-pugleaf

This applies to g++ (gcc) version 2.2.2, sparc.

This is a rather minor bug -- g++ fails to warn the user when she
defines an illegal operator function.  From Stroustrup, "C++
Programming Language", second edition, p. 592:

	An operator function must either be a member function
	or take at least one argument of a class or a reference
	to a class.

However, g++ accepts the following declarions, given the class
Timepoint:

	extern bool operator>(Timepoint *, Timepoint *);

	extern bool operator<(Timepoint *, Timepoint *);

and compiles their definitions:

	bool operator>(Timepoint *a, Timepoint *b) {

	    ....
	}

	bool operator<(Timepoint *a, Timepoint *b) {

	    ....
	}

The problem arises when I try to call them.  If I write something like

	Timepoint *x, *y;

	...

	if (x < y) ...

the operator is not called, and no warning is issued.

Apart from issues of compliance with the standard, it seems clear that
the compiler should either warn me when I try to define these operators,
or generate calls to them once they're defined.

If you need them, I can send you the actual code in question.

Regards,
	Vance