Extending arithmetic

Steven H. Rogers, PhD. <>
Tue Feb 11 14:24:49 CET 2003


Joe Armstrong wrote:
> 
>   Ok, ... reconsidering ....
> 
>   Ok  if we add  a feature  X to  the language  we should  also remove
> something.
> 
>   If we just add things the  system will get more and more complicated
> - so every time we add something we should take something away.
> 
>   Wirth  said  that the  difficult  thing  about  language design  was
> deciding what  to leave out  - it's *easy*  to think of things  to add
> (this group  comes up with  several ideas per  month) - but  much more
> difficult to decide what to leave out.
> 
>   If we want the language to remain simple we have to remove things as
> well as add things.
> 
>   If we're going  to add anything this should be in  the area where it
> is *impossible* (or very difficult)  to do things with the language as
> it is today.
> 
>   That  means  I'd like  to  see  additions  for things  like  process
> migration and safe agent programming etc.
> 
>   /Joe
> 
You're right.  Job One for a language designer is saying NO to most of 
the neat feature requests from the peanut gallery.  Simplicity is a 
viture.  One of the problems with Ada was the large committee which 
defined the language.  They had to include a lot of pet features to 
arrive at a concensus on the requirements.

Steve
-- 
  _    Steven H. Rogers, PhD.
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| \   "A language that doesn't affect the way you think about
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