Re: [Caml-list] This expression has type ...

[Ivan Gotovchits <ivg@ieee.org>]

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You must teach merging to understand your project. In general, you it means that you should write a .merlin file, that should show merlin where to search for your source code, build directory and libraries you’re using.   It is described [1] at merlin site. Also, you can look at other projects and use them as an example for merlin configuration [2]


[1] https://github.com/the-lambda-church/merlin#merlin-project
[2] https://github.com/BinaryAnalysisPlatform/bap


On Jan 27, 2015, at 7:15 AM, Sébastien Hinderer <Sebastien.Hinderer@inria.fr> wrote:

> Christophe Troestler (2015/01/27 12:56 +0100):
>>> It sometimes happens to me that I have troubles locating the exact
>>> expression OCaml reers to in error messages. So, I am wonering: would it
>>> be possible to have a mode where the error message would include the
>>> expression itself, rather than the "This"?
>> 
>> If you compile within Emacs (C-c C-c), you can just click on the error
>> to go to the right location.
> 
> Well, I have merlin installed and strangely enough it seems to detect
> more errors than the OCaml compiler. Perhaps because it's not reading
> all the modules it should. The errors are missing type constructors
> andother values...
> 
>> It will temporarily highlight the expression the error is about.
> 
> Well, as a blind user, the highlighting is not very convenient. Perhaps
> there could be an option which, whenenabled, would mark the expression
> as an emacs region.
> 
> Thanks,
> Sébastien.
> 
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