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  1. docs/zh/docs/tutorial/query-params-str-validations.md

    ```Python hl_lines="7"
    {!../../../docs_src/query_params_str_validations/tutorial005.py!}
    ```
    
    !!! note
        具有默认值还会使该参数成为可选参数。
    
    ## 声明为必需参数
    
    当我们不需要声明额外的校验或元数据时,只需不声明默认值就可以使 `q` 参数成为必需参数,例如:
    
    ```Python
    q: str
    ```
    
    代替:
    
    ```Python
    q: Union[str, None] = None
    ```
    
    但是现在我们正在用 `Query` 声明它,例如:
    
    ```Python
    q: Union[str, None] = Query(default=None, min_length=3)
    ```
    
    Plain Text
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  2. maven-api-impl/src/main/java/org/apache/maven/internal/impl/DefaultArtifactFactory.java

            }
            String str1 = request.getClassifier();
            String classifier =
                    str1 != null && !str1.isEmpty() ? request.getClassifier() : type != null ? type.getClassifier() : null;
            String str = request.getExtension();
            String extension =
                    str != null && !str.isEmpty() ? request.getExtension() : type != null ? type.getExtension() : null;
    Java
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  3. maven-core/src/main/java/org/apache/maven/internal/impl/DefaultArtifactFactory.java

            }
            String str1 = request.getClassifier();
            String classifier =
                    str1 != null && !str1.isEmpty() ? request.getClassifier() : type != null ? type.getClassifier() : null;
            String str = request.getExtension();
            String extension =
                    str != null && !str.isEmpty() ? request.getExtension() : type != null ? type.getExtension() : null;
    Java
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  4. maven-api-impl/src/main/java/org/apache/maven/internal/impl/DefaultArtifactCoordinateFactory.java

                }
                String str1 = request.getClassifier();
                String classifier = str1 != null && !str1.isEmpty()
                        ? request.getClassifier()
                        : type != null ? type.getClassifier() : "";
                String str = request.getExtension();
                String extension =
    Java
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  5. maven-core/src/main/java/org/apache/maven/internal/impl/DefaultArtifactCoordinateFactory.java

                }
                String str1 = request.getClassifier();
                String classifier = str1 != null && !str1.isEmpty()
                        ? request.getClassifier()
                        : type != null ? type.getClassifier() : "";
                String str = request.getExtension();
                String extension =
    Java
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    - Last Modified: Mon Dec 18 10:30:20 GMT 2023
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  6. docs/tr/docs/python-types.md

    {!../../../docs_src/python_types/tutorial009.py!}
    ```
    
    `str` yerine `Optional[str]` kullanmak editorün bu değerin her zaman `str` tipinde değil bazen `None` tipinde de olabileceğini belirtir ve hataları tespit etmemizde yardımcı olur.
    
    #### Generic tipler
    
    Köşeli parantez içinde tip parametreleri alan bu türler, örneğin:
    
    * `List`
    * `Tuple`
    * `Set`
    * `Dict`
    * `Optional`
    * ...and others.
    
    Plain Text
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  7. docs/pt/docs/python-types.md

    ```
    
    O uso de `Opcional [str]` em vez de apenas `str` permitirá que o editor o ajude a detectar erros, onde você pode estar assumindo que um valor é sempre um `str`, quando na verdade também pode ser `None`.
    
    #### Tipos genéricos
    
    Esses tipos que usam parâmetros de tipo entre colchetes, como:
    
    * `List`
    * `Tuple`
    * `Set`
    * `Dict`
    * `Opcional`
    * ...e outros.
    
    Plain Text
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  8. callbacks.go

    	c.processor.callbacks = append(c.processor.callbacks, c)
    	return c.processor.compile()
    }
    
    // getRIndex get right index from string slice
    func getRIndex(strs []string, str string) int {
    	for i := len(strs) - 1; i >= 0; i-- {
    		if strs[i] == str {
    			return i
    		}
    	}
    	return -1
    }
    
    func sortCallbacks(cs []*callback) (fns []func(*DB), err error) {
    	var (
    		names, sorted []string
    Go
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  9. docs/es/docs/python-types.md

    Vamos a cambiar exactamente este fragmento, los parámetros de la función, de:
    
    ```Python
        first_name, last_name
    ```
    
    a:
    
    ```Python
        first_name: str, last_name: str
    ```
    
    Eso es todo.
    
    Esos son los "type hints":
    
    ```Python hl_lines="1"
    {!../../../docs_src/python_types/tutorial002.py!}
    ```
    
    No es lo mismo a declarar valores por defecto, como sería con:
    
    ```Python
    Plain Text
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  10. docs/ko/docs/tutorial/query-params-str-validations.md

    이 응용 프로그램을 예로 들어보겠습니다:
    
    ```Python hl_lines="9"
    {!../../../docs_src/query_params_str_validations/tutorial001.py!}
    ```
    
    쿼리 매개변수 `q`는 `Optional[str]` 자료형입니다. 즉, `str` 자료형이지만 `None` 역시 될 수 있음을 뜻하고, 실제로 기본값은 `None`이기 때문에 FastAPI는 이 매개변수가 필수가 아니라는 것을 압니다.
    
    !!! note "참고"
        FastAPI는 `q`의 기본값이 `= None`이기 때문에 필수가 아님을 압니다.
    
        `Optional[str]`에 있는 `Optional`은 FastAPI가 사용하는게 아니지만, 편집기에게 더 나은 지원과 오류 탐지를 제공하게 해줍니다.
    
    ## 추가 검증
    
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