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08:28 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/3St6Rg
08:28 RacketCommitBot: [racket/master] cocoa: fix switch-to-gui-app for 64-bit - Matthew Flatt
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09:59 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/jQYK0w
09:59 RacketCommitBot: [racket/master] wrong check for the result of system-type - Robby Findler
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10:28 RacketCommitBot: [racket] plt pushed 1 new commit to master: http://git.io/xh8w9w
10:28 RacketCommitBot: [racket/master] win32: fix canvas refresh - Matthew Flatt
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13:05 rapacity: is there a way to make contracts work inside the module they're defined in ?
13:12 blake_johnson: you can use define/contract, but I think the idea is that contracts are supposed to only be for module boundaries
13:13 rapacity: thanks
13:16 blake_johnson: what I've been doing lately is using define/contract while I'm developing to catch bugs, and then moving them to provide/contract when I'm happy with the module
13:20 rapacity: ah, I'm err generating a bunch of functions using some macro, and I needed them wrapped by contracts, at first I wanted to output the macro expansion to some other file, and then require that, but I can't find a write syntax
13:21 jonrafkind: we need contracts that get optimized out
13:21 blake_johnson: yes we do
13:22 blake_johnson: but at that point, isn't it just a type system?
13:23 jonrafkind: a type system is an extreme version because everything needs a type
13:23 jonrafkind: but if you just want to put a contract on one function you should be able to do that
13:23 jonrafkind: also not all contracts can be optimized out, some will necessarily be left in
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15:33 em: what is that word/phrase that we use to describe how racket passes the results to the continuation?
15:33 em: is it like call continuation or what was that phrase again?
15:36 em: i think it is continuation passing style
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15:53 noelw: em: CPS is a style of programming
15:54 noelw: I'm not sure what you're after. It could be CPS.
15:54 noelw: neilv: Are you back on Boston time?
15:55 em: noelw: what is the advantage of being able to make anonymous functions? Why not just give every function a name?
15:55 neilv: if i survive another hour, i am close enough
15:56 noelw: Hang in there, tiger
15:56 neilv: actually, i think it's a u.s. holiday weekend. some people got to go home early today
15:56 noelw: em: anonymous functions are a convenience
15:56 em: the two of you have very similar names.
15:56 noelw: slackers. who takes holidays off.
15:57 noelw: You don't always give names to other values. Why would you have to give names to functions?
15:57 em: noelw: do you feel they impart a real convenience? It takes some effort to understand them or know they are possible.
15:57 noelw: Well, once you've programming in that way for a while it becomes very natural
15:57 noelw: It depends on your background
15:58 noelw: A true Scheme/Racket/FP programmer would argue that these are simpler languages.
15:58 noelw: Everything is a value! Everything is an expression!
15:58 noelw: It's a uniform model.
15:58 noelw: It's only other languages, with their unnecessarily complex model, that make these features seem exotic
15:59 neilv: whether or not every closure has a name (a variable binding) is not as important as that you can define a closure in context of other variable bindings and it captures that context
15:59 neilv: not having to give it a name is just a very small convenience. the other thing is huge
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16:17 eli: em: How would you write this code: (map (λ (x y) (+ (* x x) y)) some-list another-list) ?
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21:45 mithos28: Is there a data structure in core that represents an http response? (racket being the client, so web-server/http/response-structs doesn't work)
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