std.experimental.allocator and @nogc

[Yuxuan Shui via Digitalmars-d-learn]

I was trying to use allocators in a @nogc function.

I tried FreeList!Mallocator and it works fine. But 
AllocatorList!Mallocator doesn't work. dmd complains that 
AllocatorList.allocate is not @nogc, even when 
BookkeepingAllocator is NullAllocator. But if I add '@nogc' to 
AllocatorList.allocate by hand, it works.


Is this probably a bug in how dmd deduce function properties?

std.experimental.allocator and @nogc?

[Danni Coy via Digitalmars-d-learn]

Lets assume I want to be able to swap in and out allocators none of
which will be the gc_allocator...
What is best practice for using std.experimental.allocator in @nogc code?