writeln, UFCS and flip

[Tyro[17]]

On 4/26/13 8:59 AM, bearophile wrote:
 > ixid:
 >
 >> flip2 is the more general and useful function with new functionality
 >> so there's no need for what was flip and we should call the new
 >> function 'flip'.
 >
 > I don't agree. Maybe you are missing something.
 >
 > I expect a function named "flip" to do:
 >
 > flip!foo(a, b, c) === foo(c, b, a)
 > flip!foo(a, b, c, d) === foo(d, c, b, a)

I would expect this to be called reverse

 > While flip2 does:
 >
 > flip2!foo(a, b, c) === foo(b, a, c)
 > flip2!foo(a, b, c, d) === foo(b, a, c, d)

and this rotate....

Why flip in the first place?

 > Bye,
 > bearophile