Sujet : Re: single-xt approach in the standard
De : do-not-use (at) *nospam* swldwa.uk (Gerry Jackson)
Groupes : comp.lang.forthDate : 24. Sep 2024, 09:10:14
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <vcts54$34hmb$1@dont-email.me>
User-Agent : Mozilla Thunderbird
On 23/09/2024 18:02, Anton Ertl wrote:
mhx@iae.nl (mhx) writes:
On Mon, 23 Sep 2024 8:36:10 +0000,albert@spenarnc.xs4all.nl wrote:
>
In article<vcq1e5$25spg$7@dont-email.me>,
Ruvim<ruvim.pinka@gmail.com> wrote:
[..]
1 constant a
1 constant b
' a ' b = .
...
Why? 'a' and 'b' are user defined words, '=' is a standard word,
and 'true' is the expected outcome.
Are you sure?
[~:152648] iforth
FORTH> 1 constant a ok
FORTH> 1 constant b ok
FORTH> ' a ' b = . 0 ok
I actually know of no system that outputs -1.
- anton
I know it's different but:
1 constant a
synonym b a
' a ' b = . \ displayed -1 in 5 out of 6 Forths I just tried, including GForth.
Comparing xt's is unsafe
-- Gerry