Relocatable objects and internal pointers

[timotheecour]

On Saturday, 30 January 2016 at 03:13:59 UTC, Matt Elkins wrote:

> std.typecons.Unique seems to require heap allocation, which 
> makes it a far cry from std::unique_ptr.

isn't unique_ptr typically for heap allocation?
eg: 
https://stackoverflow.com/questions/42910711/unique-ptr-heap-and-stack-allocation

NOTE: calypso (ldc fork) should allow internal pointers now, see 
https://github.com/Syniurge/Calypso/issues/70 (cv::Mat.step.p is 
an internal pointer)