wlr_layer_surface->output = selmon->wlr_output;

		wlr_layer_surface->output = selmon ? selmon->wlr_output : NULL;
	if (!wlr_layer_surface->output)
		wlr_layer_surface_v1_destroy(wlr_layer_surface);

	if (!arg || !selmon)
		return;

	if (!selmon)
		return;

	if (!arg || !selmon->lt[selmon->sellt]->arrange)

	if (!arg || !selmon || !selmon->lt[selmon->sellt]->arrange)

	if (!sel)
		return;
	setmon(sel, dirtomon(arg->i), 0);

	if (sel)
		setmon(sel, dirtomon(arg->i), 0);

	unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);

	unsigned int newtagset = selmon ? selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK) : 0;

	if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])

	if (selmon && (arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])

	if (!sel || !selmon->lt[selmon->sellt]->arrange || sel->isfloating)

	if (!sel || !selmon || !selmon->lt[selmon->sellt]->arrange || sel->isfloating)