[plt-scheme] which continuation marks when raising new exception?

--- Robby Findler <robby.findler at gmail.com> wrote:

> I believe the answer is "it depends". Do you want the
> stacktrace from
> the first place or the second place? If the first, use
> (exn-continuation-marks e) and if the second place, use
> (current-continuation-marks).

Robby speaks the truth, but a general rule of thumb is to
do the former.  This preservers the stack trace from the
original exception, which is essential for debugging.

N.

Email: noelwelsh <at> yahoo <dot> com   noel <at> untyped <dot> com
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