Re: Multiple return value as requirements for safety and performance

[Ilya Yaroshenko via Digitalmars-d]

On Tuesday, 20 December 2016 at 16:34:04 UTC, Walter Bright wrote:
On 12/20/2016 6:08 AM, Ilya Yaroshenko wrote:
No, tuples stores either value or pointer. If it stores 
pointer then it is not
safe and it is not CTFE.

You can make it safe by using an array rather than a pointer.

Ranges a and b may not be arrays. They just have Range API and 
return front by reference.How this can be handled for CTFE, safe 
code? Would the solution be fast?