I'm not opposed. Should this be called dup or diagonal? What about larger tuples?

Side note:

\x -> (x,x) = join (,)

On Sat, Oct 27, 2018, 6:03 PM Ivan Perez <ivan.perez@keera.co.uk> wrote:

Dear all,

The function \x -> (x,x) is very convenient when working with arrows.

Would it be appropriate to add it to Data.Tuple?

Cheers,

Ivan

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