relaxing instance declarations

[Edward Kmett]

You can always put those helper functions in the class and then just not
export them from the module.


On Sun, Apr 28, 2013 at 10:49 AM, Doug McIlroy <doug at cs.dartmouth.edu>wrote:

> Is there any strong reason why the where clause in an instance
> declaration cannot declare anything other than class
> operators? If not, I suggest relaxing the restriction.
>
> It is not unusual for declarations of class operators to
> refer to special auxiliary functions. Under current rules
> such functions have to be declared outside the scope in
> which they are used.
>
> Doug McIlroy
>
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