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<yurb>
Hi everyone. I have a question regarding the use of (~optional ...) (~optional ...) - the paste illustrates the problem: http://pasterack.org/pastes/57109
<yurb>
essentially in this case if I specify only the first value, it gets assigned to the second parameter instead of the first
<yurb>
mceier: thanks, trying to apply this to the (more complicated) case in my code
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<mceier>
yurb: I think this is closer to what you wanted: http://pasterack.org/pastes/92878 - it still doesn't allow keywords in any order though, but I'm not sure if you need it ;)
<mceier>
and this also accepts empty list of arguments
<mceier>
remove first ~optional if you want to disallow it ;)
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<yurb>
Thanks!
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<jtecca>
does anyone know of a simple way to generate a visual call graph (maybe something like graphviz output) as a result of calling a thunk? I would like to call (foo 10) and see all of the calls that proc made (esp any recursive calls).
<jtecca>
My search-fu is failing me, but that might be a lack of caffiene getting me to the write terms
<jtecca>
fwiw, this is for a SICP problem, so I am using #lang sicp, but it's simple enough that I could switch it over to the default #lang racket if that helps with visualization libs
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<bremner>
I vaguely remember a "dot" library for racket
<bremner>
well, there's a library called graphviz
<bremner>
oh. But you want a higher level tool
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<jtecca>
@bremner yeah, ideally a higher level tool. I'll check out the graphviz lib if no one has any other recommendations
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<dzoe>
Aaaaaaaaaaaaaaaaa, 16 years old ... bug in net/base64 :-D
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