Re: Operator precedence and unary minus
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- Subject: Re: Operator precedence and unary minus
- From: Tim Hill <drtimhill@...>
- Date: 2018年5月21日 14:48:57 -0700
> On May 21, 2018, at 2:45 PM, Dirk Laurie <dirk.laurie@gmail.com> wrote:
>
> 2018年05月21日 22:47 GMT+02:00 Egor Skriptunoff <egor.skriptunoff@gmail.com>:
>
>> That's why in Lua we have an unpleasant surprise:
>> - a%m - b%n ~= - b%n - a%m
>> It's looks very weird.
>> That should be an equality as in all other programming languages.
>
> All? Let's try APL.
>
> a←10 ⋄ b←20 ⋄ m←3 ⋄ n←4
> -a|m-b|n
> ¯9
> -b|n-a|m
> ¯1
>
All SANE languages? :)
—Tim