一个 `boost::fiber` 库的示例
原文英文，约600词，阅读约需2分钟。发表于：。Fiber is just a thread implemented in user space. Fibers are easier to reason about and have perf advantage of much cheaper context switching. Fibers are very well suited for handling concurrent...
纤维是一种用户空间的线程，适合处理并发IO操作，具有较低的上下文切换成本。本文展示了一个简单程序，创建两个分离的纤维，分别调用print_a和print_b函数，直到共享变量i达到20。程序输出包含十个a、十个b和十个B，B的位置不确定。
