Creates a new $(D_PSYMBOL DList).
Initial length of the list.
Initial value to fill the list with.
Allocator.
auto l = DList!int(2, 3); assert(l.front == 3); assert(l.back == 3);
auto l = DList!int(2); assert(l.front == 0);
See Implementation
Creates a new $(D_PSYMBOL DList).