type internal/nettrace.LookupIPAltResolverKey

2 uses

	internal/nettrace (current package)
		nettrace.go#L20: type LookupIPAltResolverKey struct{}

	net
		lookup.go#L304: 	if alt, _ := ctx.Value(nettrace.LookupIPAltResolverKey{}).(func(context.Context, string, string) ([]IPAddr, error)); alt != nil {