[erlang-questions] Getting typer to work for me

[Torben Hoffmann]

On Tue, Dec 15, 2009 at 11:29, Kostis Sagonas <kostis@REDACTED> wrote:

> Torben Hoffmann wrote:
>
>> On Tue, Dec 15, 2009 at 10:45, Kostis Sagonas <kostis@REDACTED> wrote:
>>
>>   ...  BIG SNIP ....
>>>
>>>
>>> But typer will never return anything that differs from specs which are
>>> already present in the file.  These are simply returned as is.
>>>
>>> Hope this explains things,
>>>
>>
>> It does - I actually did all of the above while waiting for the answer
>> from
>> above. I see a use for typer, but I will more likely fall in love with
>> dialyzer instead.
>>
>
> Indeed, dialyzer is the tool to fall in love with.
>
> But typer also has a place in the Erlang tool chain.  Once you have
> properly dialyzed your application and it does not contain any remaining
> discrepancies, typer can help you add -spec annotations to your code. These
> specs will most likely need to be manually refined, but use of typer may
> save you lots of time in adding proper specs.  Not earthshaking, but it may
> help you improve your relationship with your real love as -type and -spec
> declarations typically allow dialyzer to detect more type errors.
>

You are right, but I can only manage one mistress... ;-)


>
> See also a paper from dialyzer's homepage that advocates and documents the
> process we recommend to dialyzer users:
>
> http://www.it.uu.se/research/group/hipe/dialyzer/publications/wrangler.pdf
>

Read it already - I like the process and I am going to use that.

Cheers,
Torben



>
>
> Cheers,
> Kostis
>



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