MRAB wrote:
> From a mathematical point of view, x-y is equivalent to x+(-y).
>From a mathematical point of view, x+y is equivalent to y+x, but I suppose
>that ship has sailed a long long time ago. ("++", "--", etc. would have been
>better choices for operators)[*]
Anyway, if you're going to add these operators for strings, I suggest also
adding them for lists. And also make them work with the new match syntax.
[*] Floating point x+y isn't always y+x, but floating point is its own
problematic world.
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