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On Tuesday, 31 May 2016, Dirk Laurie <dirk.laurie@gmail.com> wrote:
2016-05-31 17:51 GMT+02:00 Jay Carlson <nop@nop.com>:
>
>> On 2016-05-31, at 10:33 AM, Dirk Laurie <dirk.laurie@gmail.com> wrote:
>>
>>> (~"x+y,-x+y")(3,5)  --> 8    2
>>
>
> I like this, or I am amused by it...or something.
>
> This is a little prettier as
>
>   ~[[x+y,x+y]](3,5)

You still need the parentheses: (~[[x+y,x+y]])(3,5)

How about:
~{"x+y","x+y"}(3,5)