From: mental@... Date: 2006-02-08T03:54:39+09:00 Subject: Re: About Extending Systax Quoting David Vallner : > As to the actual implementation, I can at best think of a > solution that wraps around begin / rescue / ensure - you still > have to have some support for nonlocal exits from the runtime, You could use continutations. Although they're more general, you can still use them in much the same fashion as you would setjmp/longjmp in C. -mental