Is there a smart way to process a range of range by front ?

[Justin Whear via Digitalmars-d-learn]

On Wed, 23 Sep 2015 20:48:03 +0000, BBasile wrote:

> I was thinking to a general *interleave()* algorithm for any compatible
> Range of Range but I can't find any smart way to process each sub range
> by front

Can you show a sample input and output to clarify what you mean by 
interleave?  It's possible that what you want is 
std.range.frontTransversal, std.range.transversal, or 
std.range.transposed.