are patterns synonyms definable in GHCI?

[Edward Kmett]

ghci also accepts a number of other things.

You can define data types, type synonyms, classes, instances, so pattern
synonyms would seem to fall into scope.

On Thu, Dec 18, 2014 at 5:51 AM, Dr. ERDI Gergo <gergo at erdi.hu> wrote:
>
> On Thu, 18 Dec 2014, Carter Schonwald wrote:
>
>  Hey all,I was trying to define some pattern synonyms in ghci recently,
>> and that doesnt
>> seem to work. Is that something slated to be fix in 7.10 or something?
>>
>
> I thought GHCi accepts things that would be valid in a 'do' section? So
> e.g.
>
> x = ()
>
> doesn't work in GHCi, but
>
> let x = ()
>
> does.
>
> Pattern synonyms don't work for the exact same reason: they are not valid
> inside a 'do' block.
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