> On Apr 28, 2015, at 11:35 AM, Alexej Magura <[email protected]> wrote:
>
>
> Message: 5
> Date: Tue, 28 Apr 2015 10:15:28 +0200
> From: Christian Kellermann
> <[email protected]>
>>
>> Message: 5
>> Date: Tue, 28 Apr 2015 10:15:28 +0200
>> From: Christian Kellermann
>> <[email protected]>
>>
>> To:
>> [email protected]
>>
>> Subject: Re: [Chicken-users] do* implementation
>> Message-ID:
>> <[email protected]>
>>
>> Content-Type: text/plain
>>
>> Alexej Magura
>> <[email protected]>
>> writes:
>>
>>> I thought about writing my own, but I'm a bit rusty with scheme atm
>>> and I couldn't figure out where
>>> /do/
>>> is defined in Chicken's source
>>> code, so I don't think I'd be able to implement it efficiently.
>>>
>> It's defined in expand.scm:1261 in CHICKEN core, as it's syntax.
>>
Suspect you will need to write your own. The definition at expand.scm:1261 is
for the ‘do’ form:
(do ((a '(1 2 3 4 5) (cdr a))
(b (car a) (car a)))
((eq '() a))
(print b))
=>
(##core#app
(##core#letrec*
((doloop
(##core#loop-lambda
(a b)
(##core#if
(eq (##core#quote ()) a)
(##core#undefined)
(##core#begin
(##core#let () (print b))
(##core#app doloop (cdr a) (car a)))))))
doloop)
(##core#quote (1 2 3 4 5))
(car a))
>>
>> HTH,
>>
>> Christian
>>
>>
>> --
>> May you be peaceful, may you live in safety, may you be free from
>> suffering, and may you live with ease.
>>
>>
>>
>>
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>>
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>
> Oh, guess grep must have missed it somehow... anyway, thanks, Christian.
>
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