type go/types.nodeSet

4 uses

	go/types (current package)
		initorder.go#L183: 	pred, succ nodeSet    // consumers and dependencies of this node (lazily initialized)
		initorder.go#L194: type nodeSet map[*graphNode]bool
		initorder.go#L196: func (s *nodeSet) add(p *graphNode) {
		initorder.go#L198: 		*s = make(nodeSet)