Append all elements of slice s to the end.
Array!int arr; scope(exit) arr.free(); arr.insertBack([1,2,3,4]); assert(arr.data == [1,2,3,4]); arr.insertBack([5,6,7,8]); assert(arr.data == [1,2,3,4,5,6,7,8]);
See Implementation
Append all elements of slice s to the end.