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2 points by anarcer 3080 days ago | link | parent | on: Semi-Arc on Android

Great job ! Can you put Semi-Arc on Android Market, please?

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1 point by anarcer 4029 days ago | link | parent | on: Anyone get Arc running on mzscheme 4.x?

http://www.arclanguage.org/item?id=9385

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Could ABLE (lisp editor) be a good start point?

http://phil.nullable.eu/

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1 point by tokipin 4041 days ago | link

that's the kind of thing i'm going for, but i couldn't find the source for that program o.o

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5 points by anarcer 4061 days ago | link | parent | on: New Version of Arc

MzScheme v4.1.5 $ mzscheme -f as.scm ac.scm:1164:19: compile: unbound identifier in module in: set-car!

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8 points by pg 4061 days ago | link

Oops, should have mentioned you have to use MzScheme v372.

Arc has mutable conses, so it would have been hard to make it work with versions of MzScheme after they switched to making lists immutable.

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3 points by w8lvn 4058 days ago | link

Install doc at top of arclanguage.org says to use 352, turns out to be issue with 64 bit systems.

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3 points by pg 4058 days ago | link

Use 352 with arc2.tar (the old, stable release), 372 with arc3.tar (the latest release, still being fixed).

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1 point by w8lvn 4058 days ago | link

Trying arc for the first time. Unable to get version 372 on my 64 bit systems.

Any way to get this to work with a later version of mzscheme?

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2 points by CatDancer 4058 days ago | link

How about http://download.plt-scheme.org/drscheme/plt-372-bin-x86_64-l... ?

Sadly Arc hasn't been ported to mzscheme version 4 yet.

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1 point by w8lvn 4058 days ago | link

Ach.

Thanks. For some reason was trying 352.

Thanks.

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1 point by anarcer 4061 days ago | link

ya, it works, all ok for now... nice...

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1 point by anarcer 4067 days ago | link | parent | on: Possible alternatives to car/cdr

Yes, but IMHO they are omogeneous with the other abbrevs in Arc sintax and are also conceptually clearer than car/cdr (that refer to old registers of an old pc): for example, hp (head of pair), tp (tail of pair) and hthtp (head tail head tail of pair) may help conceptual visualization...

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2 points by anarcer 4060 days ago | link

Can anybody tell me where I could find discussion about this topic?

BTW, just to complete my previous example:

!hp for set-car !tp for set-cdr ?hp and similar for predicates...

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Nice idea rewriting all book in Arc: OnArc!

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Great! TIA

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