var arr = var([1, 2]);
arr.extend([3, 4]);
assert(arr.length == 4);
assert(arr[2].as!int == 3);
assert(arr[3].as!int == 4);
// Compare with append (creates nested array):
var arr2 = var([1, 2]);
arr2.append([3, 4]);
assert(arr2.length == 3); // [1, 2, [3, 4]]var.extend
void extend(T)(T rhs) @safeExtend this array with elements from another array (flat concatenation).
Unlike append, which adds the argument as a single element (potentially creating nested arrays), extend iterates over the elements of the argument and adds each one individually, resulting in a flat array.
If the argument is not an array, it behaves like append (adds as single element). Converts Type.NULL to an empty array on first use.
Parameters
rhs | The value to extend with. If it's an array, each element is added individually. Otherwise, it's added as a single element. |