On Tuesday, 19 March 2013 at 12:11:50 UTC, bearophile wrote:
Jonathan M Davis:

Going beyond a range of ranges is likely to be quite rare,

I agree.


and when it does happen, you can simply nest equal as many times as you need.

A similar function seems useful for Phobos because it's automatic, you don't need to tell it how many levels there are.

Bye,
bearophile

But the compiler can't tell how many levels deep you want to go. There are legitimate cases of "Range of Stuff" where Stuff just so happens to be a range, but you don't want range comparison.

For example:
class MyClassRange;

MyClassRange a, b;

SuperEqual(a, b); //?

I think using equal!equal is not that much more verbose, but safer/explicit.

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