import static org.junit.Assert.assertThrows;

import java.io.Closeable;
import java.io.Flushable;
import java.io.IOException;
import java.io.Writer;

/**
 * Unit test for {@link AppendableWriter}.
 *
 * @author Alan Green
 */
public class AppendableWriterTest extends IoTestCase {

  /** Helper class for testing behavior with Flushable and Closeable targets. */

    * Porque las estructuras de datos de Pydantic son solo <abbr title='En español: ejemplares. Aunque a veces los llaman incorrectamente "instancias"'>instances</abbr> de clases que tu defines, el auto-completado, el linting, mypy y tu intuición deberían funcionar bien con tus datos validados.
* Valida **estructuras complejas**:

**FastAPI** ile beraber **Pydantic**'in bütün özelliklerine sahip olacaksınız (FastAPI data kontrolünü Pydantic'in üzerine kurduğu için):

* **Kafa karıştırmaz**:
    * Farklı bir syntax öğrenmenize gerek kalmaz,
    * Eğer Python typelarını nasıl kullanacağını biliyorsan Pydantic kullanmayı da biliyorsundur.

```Python hl_lines="1"
{!../../../docs_src/first_steps/tutorial001.py!}
```

`FastAPI`, API'niz için tüm işlevselliği sağlayan bir Python sınıfıdır.

!!! note "Teknik Detaylar"
    `FastAPI` doğrudan `Starlette`'i miras alan bir sınıftır.

    <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a>'in tüm işlevselliğini `FastAPI` ile de kullanabilirsiniz.

### Adım 2: Bir `FastAPI` "Örneği" Oluşturalım

      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

   Copyright 2022 Alan Shreve (@inconshreveable)

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

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* una operación de base de datos
* el retorno de resultados de una consulta de base de datos
* etc.

Como el tiempo de ejecución se consume principalmente al esperar a operaciones de <abbr title = "Input and Output">I/O</abbr>, las llaman operaciones "<abbr title="atadas a Entrada y Salida">I/O bound</abbr>".

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pkg syscall (windows-amd64), const SIO_UDP_CONNRESET = 2550136844
pkg syscall (windows-amd64), const SIO_UDP_CONNRESET ideal-int

# CL 102320044 syscall: implement syscall.Getppid() on Windows, Alan Shreve <alan@inconshreveable.com>
pkg syscall (windows-386), const TH32CS_INHERIT = 2147483648
pkg syscall (windows-386), const TH32CS_INHERIT ideal-int
pkg syscall (windows-386), const TH32CS_SNAPALL = 15