[Haskell-cafe] Converting EpochTime to Integer

[Bram Neijt]

Thank you all for your responses!

I've decided to use fromEnum (and I'm going to read up on how that works.)

Greetings,

Bram

On Wed, Sep 16, 2015 at 4:53 PM, David Kraeutmann <kane at kane.cx> wrote:
> I was looking at the wrong EpochTime, whoops.
>
> On 9/15/2015 6:48 PM, David Kraeutmann wrote:
>> EpochTime is an instance of Integral. You can just use toInteger ::
>> Integral a => a -> Integer.
>> On 9/15/2015 6:42 PM, Bram Neijt wrote:
>>> Dear Haskell cafe,
>>>
>>> I want to convert form
>>>
>>> mtime :: System.Posix.Types.EpochTime
>>>
>>> to something aeson can eat without having to define an instance. I
>>> choose Integer.
>>>
>>> My current solution[1] is just using (read . show). I know, ugly, but
>>> the only thing I could get going.
>>>
>>> What is the proper way to convert System.Posix.Types.EpochTime to
>>> Integer or something else aeson will automatically convert without
>>> making a ToJSON instance?
>>>
>>> As a beginner I wonder: is there a general way to go about finding
>>> conversion paths between types?
>>>
>>>
>>> Greetings,
>>>
>>> Bram Neijt
>>>
>>> [1] https://github.com/bneijt/httpmtimeline/blob/master/src/Main.hs#L21
>>> _______________________________________________
>>> Haskell-Cafe mailing list
>>> Haskell-Cafe at haskell.org
>>> http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
>>>
>>
>>
>>
>> _______________________________________________
>> Haskell-Cafe mailing list
>> Haskell-Cafe at haskell.org
>> http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
>>
>
>
> _______________________________________________
> Haskell-Cafe mailing list
> Haskell-Cafe at haskell.org
> http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
>