> Instead of a whole new array, why not just add an additional variable to
> caller() that pops off that many stacks permanently?
>
> $pkg = caller(1); # back one stack frame
> $pkg = caller(1, 2); # back one stack, "pop" off
> # two stack frames also
>
> Or, add a new stack() function that returns an array of the frame(s)
> popped off:
>
> @frame = stack; # pop off one frame
> stack(2); # pop off two frames
>
> But making a special variable which can only be popped off and breaks
> the nice encapsulation of the caller() function? Bleech, honestly.
It would be interesting if we could have something like:
sub bar {
$frame = caller();
foo($frame);
...
}
sub foo {
...
stack($_[0]); # pop call stack until $_[0] == caller()
return 0; # return from bar
}
Then we'd have an interesting, restricted form of continuations to play
with.
>
> -Nate
--
Buddha Buck [EMAIL PROTECTED]
"Just as the strength of the Internet is chaos, so the strength of our
liberty depends upon the chaos and cacophony of the unfettered speech
the First Amendment protects." -- A.L.A. v. U.S. Dept. of Justice
