Re: string concatenation (was: What's right with FORTH ...)

stephenXXX@[EMAIL PROTECTED]
 (Stephen Pelc) writes:
>On Thu, 01 May 2008 15:28:43 GMT, anton@[EMAIL PROTECTED]
>(Anton Ertl) wrote:
>
>>: append { addr1 u1 addr2 u2 -- addr u }
>>    addr1 u1 u2 + dup { u } resize throw { addr }
>>    addr2 addr u1 + u2 move
>>    addr u ;
>
>Be very afraid! APPEND is used with different semantics in other
>systems, e.g.

Yes, if it's a simple word, it's likely to have already been used for
other purposes elsewhere.  This was not intended as a proposal; I
probably would have tried STR+ and STR-APPEND for a proposal.

>>If I don't have to worry about FREEing, I can just use S+ everywhere.
>
>Urk! Eeek! I expect applications to run non-stop for months and
>years.

Easy: <http://www.complang.tuwien.ac.at/forth/garbage-collection.zip>

Or you can worry about FREEing and use (a suitably renamed) APPEND.

- anton
-- 
M. Anton Ertl  http://www.complang.tuwien.ac.at/anton/home.html
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