[erlang-questions] alternate forms for comparisons >= and =<

[Hynek Vychodil]

http://www.erlang.org/doc/reference_manual/expressions.html#6.11

On Wed, Mar 26, 2008 at 8:59 AM, Dmitrii Dimandt <dmitriid@REDACTED> wrote:

>
> On Mar 26, 2008, at 4:09 AM, Richard A. O'Keefe wrote:
> >
> > On 23 Mar 2008, at 1:35 pm, Dave Peticolas wrote:
> >
> >> I keep finding myself using <= and => almost pathologically no matter
> >> how many times I have to go back and change them to their only
> >> supported
> >> versions. Is adding support for <= and => a possibility? I'd be
> >> willing
> >> to do the work, with some guidance.
> >
> > In Prolog syntax, <= and => were reserved for arrows, and were used
> > heavily in that role.  Strand copied Prolog and Erlang copied Strand.
> > I can think of lots of possible uses for arrows in Erlang, so I'd be
> > sorry to see them degenerate into mere alternatives for =< and >=.
> > In fact as someone *reading* Erlang, I would be very sorry to see any
> > alternatives for the standard comparison operators; there are already
> > confusingly many versions of equality.
>
> By the way, is there a page in the manual that describes all operators
> in Erlang and their uses? Because I'm often confused as to how to
> write equality, inequality etc.
>
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-- 
--Hynek (Pichi) Vychodil
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