[erlang-questions] literal character syntax

[Sean Cribbs]

They are incredibly useful in pattern-matching simple string arguments. e.g.

case erlang:system_info(version) of
    [$5, $., $1, $0 | _ ] -> ok;
    _ -> fail
end


On Wed, May 14, 2014 at 4:28 AM, Vlad Dumitrescu <vladdu55@REDACTED> wrote:

> Hi!
>
> I would like to make a suggestion regarding the accepted literal
> characters syntax. At the moment, any character following a $ is accepted
> as itself. I find it very confusing when these characters are whitespace or
> control chars and my suggestion is to refuse these literals. Most of them
> have escaped representations and the others should be written as integers
> anyway.
>
> What do you think? Is anyone using these in a meaningful way?
>
> best regards,
> Vlad
>
>
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>


-- 
Sean Cribbs <sean@REDACTED>
Software Engineer
Basho Technologies, Inc.
http://basho.com/
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