Idea: swap with multiple arguments

[Xinok via Digitalmars-d]

On Monday, 23 May 2016 at 20:01:08 UTC, 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

It doesn't make sense for "swap" to make take than two arguments 
and it's unintuitive how it should rearrange the elements when 
you write swap(a1, a2, a3, ...). Who's to say that it should 
shift the elements to the left?

I'm not saying this is useless but it would really need a better 
name. "swap" only makes intuitive sense when it takes two 
arguments, no more and no less.

While this is technically a rotation, a "rotate" function 
generally takes an extra argument which is an element/index to 
rotate on. See: https://www.sgi.com/tech/stl/rotate.html