// ExportPackageFact associates a fact with the current package.
	// See comments for ExportObjectFact.
	ExportPackageFact func(fact Fact)

	// AllPackageFacts returns a new slice containing all package
	// facts of the analysis's FactTypes in unspecified order.
	AllPackageFacts func() []PackageFact

	// AllObjectFacts returns a new slice containing all object
	// facts of the analysis's FactTypes in unspecified order.

				ImportPackageFact: facts.ImportPackageFact,
				ExportPackageFact: facts.ExportPackageFact,
				AllPackageFacts:   func() []analysis.PackageFact { return facts.AllPackageFacts(factFilter) },
			}
			pass.ReadFile = analysisinternal.MakeReadFile(pass)

			t0 := time.Now()
			act.result, act.err = a.Run(pass)

func (s *Set) ExportPackageFact(fact analysis.Fact) {
	key := key{pkg: s.pkg, t: reflect.TypeOf(fact)}
	s.mu.Lock()
	s.m[key] = fact // clobber any existing entry
	s.mu.Unlock()
}

func (s *Set) AllPackageFacts(filter map[reflect.Type]bool) []analysis.PackageFact {
	var facts []analysis.PackageFact
	s.mu.Lock()
	for k, v := range s.m {
		if k.obj == nil && filter[k.t] {