Re: Proposal: add fromRight and fromLeft to Data.Either

The main annoyance with the total versions is that the existing fromJust has the wrong convention. Oh well. Consistency is overrated. -Edward On Sun, May 29, 2016 at 9:00 PM, Michael Burge wrote:

+1 on the total versions.

On Sat, May 28, 2016 at 5:48 PM, wren romano wrote:

...

On Sat, May 21, 2016 at 2:06 PM, Andreas Abel wrote:

...

Ah, yes, we want fromLeft and fromRight, but with types

fromLeft :: a -> Either a b -> a fromRight :: b -> Either a b -> b

where the first argument is the "default", like

If anything is added, then +1 for these versions.

Very strong -1 for adding partial functions.

-- Live well, ~wren _______________________________________________ Libraries mailing list Libraries@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/libraries

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