service

type Handler struct {
	Threshold int
	// contains filtered or unexported fields
}

type HandlerWithLogs struct {
	// contains filtered or unexported fields
}

type HandlerWithMetrics struct {
	// contains filtered or unexported fields
}

type HandlerWithTrace struct {
	// contains filtered or unexported fields
}

type Logger interface {
	DebugContext(ctx context.Context, msg string, args ...any)
	InfoContext(ctx context.Context, msg string, args ...any)
	WarnContext(ctx context.Context, msg string, args ...any)
	ErrorContext(ctx context.Context, msg string, args ...any)
}

type Metrics interface {
	IncRequestsReceived()
	IncRequestsFailed()
	ObserveHandlingLatency(ctx context.Context, dur time.Duration)
}

type Service interface {
	Handle(ctx context.Context, value int) error
}