[erlang-questions] Wanted additions to the maps module?

[Felix Gallo]

Concurring with Loïc and José, all of their ideas would be outstanding.

Perhaps slightly longer term/more generically, it would be nice if a maps
Lens implementation made its way into core.  ROK's lens.erl (
http://www.cs.otago.ac.nz/staffpriv/ok/lens.erl) is a pretty great start,
but shipping a blessed Lens would be even better.

F.

On Fri, Apr 8, 2016 at 12:01 PM, Loïc Hoguin <essen@REDACTED> wrote:

> Iterators and map comprehensions would be great.
>
> For example I receive JSON or equivalent coming in, convert to map and
> want to check the values (and sometimes convert types), and right now it
> goes through two conversions (to and from list).
>
> I know it's not functionality per se but it's the limitation I'm most
> often seeing. It's followed by the map key in function head issue (the one
> binaries also have) and deep updates is only third. I'll also +1 Jose's
> suggestion, that's a useful one to have.
>
> Cheers,
>
>
> On 04/08/2016 08:31 PM, Björn-Egil Dahlberg wrote:
>
>> Hi there!
>>
>> I would like to know if you have any desires that we extend the current
>> maps module with additional functionality?
>>
>> Have you repeated some code or built your own private lib to handle
>> certain maps specific tasks and thought "why isn't this in the maps
>> module?"
>>
>> I would like to know!
>>
>> There is still time before 19.0 to extend the current API.
>>
>> We have for example discussed adding {get, put, update,
>> remove}_path type of functions where we handle nested maps. Would this
>> be useful? Would it be used?
>>
>> What have we missed?
>>
>> // Björn-Egil
>>
>>
>>
>>
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>>
> --
> Loïc Hoguin
> http://ninenines.eu
> Author of The Erlanger Playbook,
> A book about software development using Erlang
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