**FastAPI** se basa completamente en estas anotaciones de tipos, dándole muchas ventajas y beneficios.

Pero incluso si nunca usas **FastAPI**, te beneficiaría aprender un poco sobre ellas.

/// note | Nota

Si eres un experto en Python, y ya sabes todo sobre las anotaciones de tipos, salta al siguiente capítulo.

///

## Motivación { #motivation }

Comencemos con un ejemplo simple:

		// Valid inputs.
		{":9000", []string{"/export1"}, true},
		{":9000", []string{"/export1", "/export2", "/export3", "/export4"}, true},
		{":9000", []string{"/export1{1...64}"}, true},
		{":9000", []string{"/export1{01...64}"}, true},
		{":9000", []string{"/export1{1...32}", "/export1{33...64}"}, true},
		{":9001", []string{"http://localhost:9001/export{1...64}"}, true},

In vielen Fällen kennen Sie möglicherweise bereits die Antwort auf diese Fragen. 🤓

Wenn Sie vielen Menschen bei ihren Fragen helfen, werden Sie offizieller [FastAPI-Experte](fastapi-people.md#fastapi-experts). 🎉

/// tip | İpucu

Sorular için [GitHub Discussions](https://github.com/fastapi/fastapi/discussions/new?category=questions)'a sorun; [FastAPI Experts](fastapi-people.md#fastapi-experts) tarafından yardım alma ihtimaliniz çok daha yüksektir.

Chat'i sadece genel sohbetler için kullanın.

///

### Sorular için chat'i kullanmayın { #dont-use-the-chat-for-questions }

/// tip | 豆知識

質問は [GitHub Discussions](https://github.com/fastapi/fastapi/discussions/new?category=questions) に投稿してください。そこなら[FastAPI Experts](fastapi-people.md#fastapi-experts)から助けてもらえる可能性がずっと高いです。

チャットは一般的な会話のみに使いましょう。

///

### 質問でチャットを使わない { #dont-use-the-chat-for-questions }

チャットは「自由な会話」がしやすいため、一般的すぎて答えにくい質問になりがちです。そのため、回答が得られない可能性があります。

/// tip | 팁

질문은 [GitHub Discussions](https://github.com/fastapi/fastapi/discussions/new?category=questions)에서 하세요. [FastAPI Experts](fastapi-people.md#fastapi-experts)로부터 도움을 받을 가능성이 훨씬 높습니다.

채팅은 다른 일반적인 대화를 위해서만 사용하세요.

///

### 질문을 위해 채팅을 사용하지 마세요 { #dont-use-the-chat-for-questions }

/// tip | Consejo

Para preguntas, házlas en [GitHub Discussions](https://github.com/fastapi/fastapi/discussions/new?category=questions), hay muchas más probabilidades de que recibas ayuda de parte de los [FastAPI Experts](fastapi-people.md#fastapi-experts).

Usa el chat solo para otras conversaciones generales.

///

### No uses el chat para preguntas { #dont-use-the-chat-for-questions }

/// tip | Astuce

Pour les questions, posez‑les dans [GitHub Discussions](https://github.com/fastapi/fastapi/discussions/new?category=questions), vous avez bien plus de chances de recevoir de l'aide par les [Experts FastAPI](fastapi-people.md#fastapi-experts).

Utilisez le chat uniquement pour d'autres conversations générales.

///

### N'utilisez pas le chat pour les questions { #dont-use-the-chat-for-questions }

/// tip

For questions, ask them in [GitHub Discussions](https://github.com/fastapi/fastapi/discussions/new?category=questions), there's a much better chance you will receive help by the [FastAPI Experts](fastapi-people.md#fastapi-experts).

Use the chat only for other general conversations.

///

### Don't use the chat for questions { #dont-use-the-chat-for-questions }

	result := DB.Dialector.Explain(stmt.SQL.String(), stmt.Vars...)
	expects := DB.Dialector.Explain(execStmt.SQL.String(), execStmt.Vars...)

	if !strings.HasSuffix(result, expects) {
		t.Errorf("expects: %v, got %v", expects, result)
	}

	stmt2 := dryRunDB.Where(
		DB.Scopes(NameIn1And2),
	).Or(