gtk/gtk.go
func (v *CellLayout) PackStart(cell ICellRenderer, expand bool) {
	C.gtk_cell_layout_pack_start(v.native(), cell.toCellRenderer(),
		gbool(expand))
}
func (v *CellLayout) PackStart(cell ICellRenderer, expand bool) {
	C.gtk_cell_layout_pack_start(v.native(), cell.toCellRenderer(),
		gbool(expand))
}
// PackStart() is a wrapper around gtk_cell_layout_pack_start().