[Haskell-cafe] Hint's setImports usage

[Michael Sloan]

Ahh, right!  Now that I think harder about it, as far as I know, there is
no way to get Hint to load a module with an extra import.  If it doesn't
hide the prelude, then one thing to try would be writing your own
"./Prelude.hs" file.  I'd test this, but I'm not currently on a computer
with GHC.

If this module is in a package, then there's definitely no way to give it
an extra import (it's already compiled).

Hope that helps!

-Michael



On Thu, Dec 20, 2012 at 5:02 PM, Martin Hilbig <lists at mhilbig.de> wrote:

> On 21.12.2012 01:23, Michael Sloan wrote:
>
>> Yeah, I've run into that too..
>>
>> It does seem like there ought to be a better way, but in order to get
>> around that, I just define the imports (or generate) "MyPrelude.hs" in
>> the current directory.
>>
>
> what do you do with the file then? neither loadModules, setImports,
> setTopLevelModules helped me :/
>
> have fun
> martin
>
>  That file can just consist of "import
>> OtherPackage.MyPrelude".
>>
>> -Michael
>>
>>
>> On Thu, Dec 20, 2012 at 4:12 PM, Martin Hilbig <lists at mhilbig.de
>> <mailto:lists at mhilbig.de>> wrote:
>>
>>     oh that's neat!
>>
>>     but what to do if MyPrelude is provided by some package?
>>
>>     i get this error:
>>
>>        module `MyPrelude' is a package module
>>
>>     and neither
>>
>>        set [languageExtensions := [PackageImports]]
>>
>>     nor
>>
>>        {-# LANGUAGE PackageImports #-}
>>
>>     helps.
>>
>>     have fun
>>     martin
>>
>>
>>     On 21.12.2012 00:55, Michael Sloan wrote:
>>
>>         Hello!
>>
>>         Try doing this first:
>>
>>             loadModules ["My.Module"]
>>
>>         You may also need to set the "searchPath" - it defaults to the
>>         current
>>         director.  Another good function to know about is
>>         "setTopLevelModules",
>>         which is just like using ":load" in ghci - it imports everything
>>         in the
>>         module, including its imports.  So, I often do:
>>
>>             loadModules ["MyPrelude"]
>>             setTopLevelModules ["MyPrelude"]
>>
>>         And stick all of the things that I want to be in scope into
>>         "MyPrelude.hs".
>>
>>         -Michael
>>
>>
>>         On Thu, Dec 20, 2012 at 3:35 PM, Martin Hilbig <lists at mhilbig.de
>>         <mailto:lists at mhilbig.de>
>>         <mailto:lists at mhilbig.de <mailto:lists at mhilbig.de>>> wrote:
>>
>>              hi,
>>
>>              how to use Language.Haskell.Interpreter._**___setImports?
>>
>>
>>
>>              i use it like:
>>
>>                 setImports ["My.Module"]
>>
>>              so that my interpreted modules don't need to:
>>
>>                 import My.Module
>>
>>              But i still get:
>>
>>                 Not in scope: data constructor `MyType'
>>
>>              What am i doing wrong?
>>
>>              Thanks in advance.
>>
>>              have fun
>>              martin
>>
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