On 4 Apr 2008, at 7:32 pm, John Cowan wrote:
I suppose that syntax extension is one thing, arbitrary compile-time
programming is another. It's useful to be able to express common
patterns directly in the language, but I don't see the point of
running code in the compiler, which is a rather
John == John Cowan [EMAIL PROTECTED] writes:
John Alaric Snell-Pym scripsit:
Syntax-rules is handy for simple stuff, but I'd hate
for it to be the only macro system I had - I like to
think of it as a shorthand for a reasonably common
case, TBH.
John I think quite
Alex Shinn scripsit:
DEFINE-MACRO is just EVAL. Syntactic closures is just EVAL
with the two extra env parameters, [...].
And as I believe I heard someone say on #scheme the other day, if your
program involves EVAL, it's probably broken. Even if the EVAL is hidden
behind something else.
Et
Let's say I have two callback handlers registered and within the handlers I do
a thread-sleep! or thread-yield!. The C caller is the same for both (it's a
busy handler), they are just invoked with different data. Now this sequence of
events occurs:
thread 1 enters the callback
thread 2 enters
