package dispatcher import "context" //go:generate errorgen type key int const ( sniffing key = iota ) func ContextWithSniffingResult(ctx context.Context, r SniffResult) context.Context { return context.WithValue(ctx, sniffing, r) } func SniffingResultFromContext(ctx context.Context) SniffResult { if c, ok := ctx.Value(sniffing).(SniffResult); ok { return c } return nil }