装饰器的本质是一个强有力的约定：函数的输入输出不变，内部逻辑可以任意扩展。 你在维护一个线上服务，某天产品经理过来说：「给那个查询接口加一个权限校验，用户没登录的一律拒绝。」你找到那个函数，发现它已经被其他地方引用了三十多处。

nblade (N-dimensional Blade) is a high-performance geometric algebra library powered by Rust, with Python bindings. It supports arbitrary dimensions and arbitrary metric signatures G(p, q, r).

Animals treating your garden as their personal toilet can prove an absolute nightmare, and one homeowner has reached breaking point. The fed-up resident, posting as @Momshie-mo on Reddit, outlined ...