Idea: swap with multiple arguments

[Jonathan M Davis via Digitalmars-d]

On Monday, May 23, 2016 18:10:02 Steven Schveighoffer via Digitalmars-d wrote:
> On 5/23/16 5:47 PM, Ali Çehreli wrote:
> > On 05/23/2016 01:27 PM, Steven Schveighoffer wrote:
> >> On 5/23/16 4:01 PM, Andrei Alexandrescu wrote:
> >>> So swap(a, b) swaps the contents of a and b. This could be easily
> >>> generalized to multiple arguments such that swap(a1, a2, ..., an)
> >>> arranges things such that a1 gets an, a2 gets a1, a3 gets a2, etc. I do
> >>> know applications for three arguments. Thoughts? -- Andrei
> >>
> >> One thing that screams out to me: this should be called rotate, not swap.
> >
> > Yes, rotate(), but then I would never remember what direction it rotates.
>
> Use the law of UFCS:
>
> x.rotate(y, z); // x-> y, y -> z, z -> x

Hmmm. And I would have assumed that it rotated in the other direction. This
is really going to need a very specific name like rotateLeft or rotateRight
in order for it not to be error-prone.

- Jonathan M Davis