class method

Ruby::Box.current

Ruby::Box.current → box, nil or false

static VALUE
rb_box_s_current(VALUE recv)
{
    const rb_box_t *box;

    if (!rb_box_available())
        return Qnil;

    box = rb_vm_current_box(GET_EC());
    VM_ASSERT(box && box->box_object);
    return box->box_object;
}

Returns the current box. Returns nil if Ruby Box is not enabled.