[erlang-questions] [ANN] Erlson - dynamic name-value dictionary data type and syntax

Eric Merritt <>
Tue Aug 30 23:03:07 CEST 2011


Let me back up Ulf on this on. The project is great. I love direct
declarative support for common types and dictionaries have been
missing for a long time. That said its really not complete until you
can use it inside matches and guards.

If that gets implemented this goes from a pleasant solution that gets
rid of some syntax on occasion to something that fundamentally changes
the language for the better.

On Mon, Aug 29, 2011 at 2:16 AM, Ulf Wiger
<> wrote:
>
> On 29 Aug 2011, at 06:50, Anton Lavrik wrote:
>
>> Hi list,
>>
>> It is my pleasure to announce Erlson - a proof of concept
>> implementation of dynamic dictionary data type.
>
> This library was one of the entries in the Spawnfest competition, and received favourable mention from several of the judges (including me). I like the syntax - it feels like a good, minimal extension to the existing language.
>
> Personally, I would really like to see a special data type for this, as well as proper support for pattern matching and guards. I'm wary of yet another syntactic-sugar solution, overloading existing data types.
>
> This is in no way meant as criticism of the work so far - rather as a suggestion to grab the opportunity and implement full support for dynamic dictionaries (hashes, or whatever we want to call them).
>
> As always, there may be real, substantial objections that I have overlooked. If so, the good members of this list will surely present them. :)
>
> BR,
> Ulf W
>
> Ulf Wiger, CTO, Erlang Solutions, Ltd.
> http://erlang-solutions.com
>
>
>
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