initialize_copy

/* :nodoc: */
static VALUE
enumerator_init_copy(obj, orig)
    VALUE obj;
    VALUE orig;
{
    struct enumerator *ptr0, *ptr1;

    ptr0 = enumerator_ptr(orig);

    Data_Get_Struct(obj, struct enumerator, ptr1);

    if (!ptr1) {
        rb_raise(rb_eArgError, "unallocated enumerator");
    }

    ptr1->obj  = ptr0->obj;
    ptr1->meth = ptr0->meth;
    ptr1->iter = ptr0->iter;
    ptr1->args = ptr0->args;

    return obj;
}