Re: [patch,rfc] binary operators on integers

Well, what are we going to do with this?  I think we should take it.  
Since I encouraged him to write it, I'd volunteer to take care of it.

We might want to change the bitxor operator to # (or at least something
distinct from ^) as well, for consistency.

Marko Kreen writes:

> 
> Well, I was interested in binary operators on integers
> and as Peter suggested that I should look into it
> myself, so I did it.
> 
> Choice of operators:
> 
>  ~ - not
>  & - and
>  # - xor  - I like it :)
>  | - or
> 
> Things I am unsure of:
> 
> 1) Precedence.  I quite nonscientifically hacked in gram.y,
>    and could not still make it understand expression '5 # ~1'
>    nor the precedence between '&' and '|#'...
> 
>    At the moment all the gram.y changes could be dropped and
>    it works ok, but without operator precedence.  Any hints?
> 
> 2) Choice of oids.  I took 1890 - 1913.  Should I have taken
>    directly from 1874 upwards, or somewhere else?
> 
> 3) Choice of operators.  As I understand the '^' is taken,
>    I wont get it.  Now, in gram.y I found that the '|' is
>    used in weird situations and with weird precedence so
>    maybe I should use something else for OR too?
> 
> 4) Is anybody else interested? ;)
> 
> 
> I would like to get comments/further hints on this...

-- 
Peter Eisentraut      peter_e@gmx.net       http://yi.org/peter-e/