"Found hole"

Alex Hammel ahammel87 at gmail.com
Tue Jan 20 19:25:26 UTC 2015


The only reference to a NoTypedHoles extension google can find is this
thread. Odd.

On Tue, Jan 20, 2015 at 11:22 AM, Volker Wysk <verteiler at volker-wysk.de>
wrote:

> Hi!
>
> Am Dienstag, 20. Januar 2015, 13:44:01 schrieben Sie:
> > The leading underscore invokes the typed holes extension. If you want to
> > use such names, you'll need {-# LANGUAGE NoTypedHoles #-} as the first
> line
> > of the source file.
>
> I get this error, when I use "{-# LANGUAGE NoTypedHoles #-}":
>
>    ex.hs:1:14: Unsupported extension: NoTypedHoles
>
> I'm using GHC 7.8.3. Could it be that the "NoTypedHoles" extension was
> added
> not before 7.8.4 (the most current version).
>
> Bye
> Volker
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