目录一、Optional是什么二、用法详解：从青铜到王者1. 基础用法2. 配合类型检查（Mypy实战）3. 与Union的等价写法三、实战案例：避免“None地狱”案例1：安全处理API响应案例2：链式调用避免崩溃四、原理解
at the moment im trying to figure out how i can manage to play a wave file in C# by filling up the secondary buffer with data from the wave file through threading and then play the wave file.
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