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Re: Syntax-rules generate symbol

From: Panicz Maciej Godek
Subject: Re: Syntax-rules generate symbol
Date: Tue, 10 Sep 2013 08:11:09 +0200

2013/9/9 Taylan Ulrich B. <address@hidden>

For anyone who didn't know, "breaking" to arbitrary places is made
simple (and efficient) with `let/ec' from the module (ice-9 control), a
wrapper around `call-with-escape-continuation':

I assume that the main reason for using this is efficiency (rather
than simplicity), because allegedly guile's continuations are rather

On one hand, it's good to know that (and would be even better
to be able to find it out by skimming section 6.13 of the manual),
but on the other it would be nicer if the compiler could trace the
usages of continuations and figure out whether a given one is
ever being re-entered, and optimize accordingly.

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