Input (Ling): 丢入杂乱的需求文档或原始代码。
controller.close();
，这一点在搜狗输入法2026中也有详细论述
Жители Санкт-Петербурга устроили «крысогон»17:52
Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.
