Op dinsdag 25 oktober 2016 02:20:29 UTC+2 schreef Max Goldstein:
>
> Changing things makes upgrading harder, invalidates old code, and gives
> the larger community the impression that Elm is not stable.
>
The question is whether different naming for "foldl" and "foldr" would
bring enough benefits to be worth all these (temporary) drawbacks.
So:
- "foldLeft" and "foldRight" are easier to keep apart/ more readable -
regardless of someone's previous language
- "reduce" and ("foldr" or nothing or something else) would be more
familiar to people coming from JS (and possibly other languages too)
My own background is JS, so "reduce" is familiar.
But at the same time, I use "foldl" way more often in Elm than I ever used
"reduce" in JS, and in very different ways.
What I see as a structural drawback to "foldLeft" and "foldRight" is the
length of the function names: shorter names are better, and (for me at
least) the extra characters in the function names do not give me any
relevant info or benefits.
90% of the time I use any fold, my output is the same in both directions.
(like .sum or .maximum etcetera).
I have never used "foldr" (yet).
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