net/http.Server.nextProtoOnce (field)

3 uses

	net/http (current package)
		server.go#L3080: 	nextProtoOnce     sync.Once // guards setupHTTP2_* init
		server.go#L3726: 	s.nextProtoOnce.Do(s.onceSetNextProtoDefaults)
		server.go#L3739: 	s.nextProtoOnce.Do(s.onceSetNextProtoDefaults_Serve)