When the lookup of a variable in a closure fails, does it continue the lookup in another scope? If so which scope? The context in which it was created?(like a...
... You look up in the chain of scopes that lexically enclosed the current one (i.e. textually enclosed it in the source code). Not the one in which it was...
... the ... was ... this depends. in lexically scoped systems it searches the environment in which it was created and in dynamically scoped systems it is where...
Hi, I was wondering if tuple subtyping rules are useful or desirable. If we have a tuple (Integer, String, Integer), should it be a subtype of (Integer,...
... desirable. ... subtype ... rules, ... rules ... (e.g. ... yes, maybe first rest is pretty hackish but that is what I have done: match? (x y . z) (1 2) =>...
... Do closures also have their own locals which are created for temporary use when they the closure is called? Or do they simply use the locals from where...
... In an SECD machine, when making a closure, you copy the parent's stack, it's full environment, "control", and it's "dump" (think of the last two as...
... (let ((n 0)) (lambda () (set! n (+ n 1)) n))) ... 1 ... 2 ... 3 In gen, n is bound when it is created - known as static binding, but better understood as...
In regard to this passage: "Basically, if you make all objects' slot values write-once and have readers block on non-written slots, you get effectively...
... Or you can attach variables themselves to closures instead of frames - all variables from all levels which are actually used ("all levels" conceptually;...
... The question doesn't arise if introduction of a local variable is explicit, different from assignment / rebinding. Then it does just what is written: if...
See William Clinger's "Lambda, the ultimate label or a simple optimizing compiler for Scheme" in the electronic ACM archives. This is a simple optimizing...
Any chance of a summary for those of us without ACM memberships? ... ____________________________________________________________________________ ____ ryan...
... ; In the following example ADDER and SUBSTRACTER are ; simple closures closed over a shared binding denoted ; by the variable X. (define adder #f) ...
... Here's an implementation in C: http://www.nada.kth.se/~snilsson/public/code/nloglogn.c Cheers, Steve Io, a small language: http://www.iolanguage.com/...
... stupid server is not up enough for me to actually download it. I start trying yesterday, server goes down. this morning: I get about half, server goes down...
I just found a little hack that fakes coroutines if you can't fiddle with the stack (i.e. C++). It's based on switch() being able to jump anywhere within the...
I just found a little hack that fakes coroutines if you can't fiddle with the stack (i.e. C++). It's based on switch() being able to jump anywhere within the...
... This is an interesting technique though it appears to only work if all your coro yields are in the function containing the switch. Cheers, Steve Io, a...
I couldnt' find the link on the page you gave. I came across an article (possibly the same one): http://radio.weblogs.com/0102385/2003/03/30.html#a318 Chris....
Chris Double
chris.double@...
May 6, 2003 9:42 pm
505
... article ... That is the same topic, here is the actual link I wanted to post: http://www.chiark.greenend.org.uk/~sgtatham/coroutines.html Mike...
... fiddle ... jump ... all ... I don't quite get what you're saying. As long as you put your 'yeild' inside of the switch, you're ok. You can have multiple ...
... In other words, this scheme fails if a function called by the function is the one that wants to yield. - you can't yield up multiple levels as you can with...
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