[Haskell-beginners] import not working

[Galaxy Being]

Let me reiterate, I'm not creating a stack project formally. I'm just going
to some directory at the command prompt and firing up ghci, which I presume
just uses the global installs. Then I'm creating .hs files in a text editor
and trying to load them at the REPL. How can I install stuff in this
instance?

On Fri, Jun 4, 2021 at 10:47 PM Galaxy Being <borgauf at gmail.com> wrote:

> I run ghci with
>
> > stack ghci
>
>
>
> On Fri, Jun 4, 2021 at 5:19 PM Jesse Rudel <jesse.rudel at gmail.com> wrote:
>
>> How are you invoking ghci? If it's a stack project you can try stack ghci
>> if you haven't already.
>>
>> On Fri, 4 Jun 2021 at 21:51, Galaxy Being <borgauf at gmail.com> wrote:
>>
>>> I go to a directory. I run
>>>
>>> stack install Safe
>>>
>>> I start up ghci and get the Prelude prompt. I run
>>>
>>> import Safe
>>>
>>> and I get
>>>
>>> import Safe
>>>   | ^^^^^^^^^^^
>>> Failed, no modules loaded.
>>>
>>> I'm once again frustrated. I try to load this hs file
>>>
>>> {-# LANGUAGE ViewPatterns #-}
>>> {-# LANGUAGE NoMonomorphismRestriction #-}
>>>
>>> import Safe
>>>
>>> lookupDefault :: Eq a => a -> b -> [(a,b)] -> b
>>> lookupDefault k _ (lookup k -> Just s) = s
>>> lookupDefault _ d _ = d
>>>
>>> headTup :: (a, [t]) -> [t]
>>> headTup (headMay . snd -> Just n) = [n]
>>> headTup _ = []
>>>
>>> headNil :: [a] -> [a]
>>> headNil (headMay -> Just x) = [x]
>>> headNil _ = []
>>>
>>> with the same result. What do I need to do?
>>> --
>>> ⨽
>>> Lawrence Bottorff
>>> Grand Marais, MN, USA
>>> borgauf at gmail.com
>>> _______________________________________________
>>> Beginners mailing list
>>> Beginners at haskell.org
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>>>
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>>
>
>
> --
> ⨽
> Lawrence Bottorff
> Grand Marais, MN, USA
> borgauf at gmail.com
>


-- 
⨽
Lawrence Bottorff
Grand Marais, MN, USA
borgauf at gmail.com
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