pimpl 手法在 C++ 里已是“高手”们广泛运用的成熟方法之一，它的优点很多，诸如降低编译依赖、提高重编译速度之类的工具性优势自不待赘言，而其对“保持接口稳定性”的优点更值得称道。-pimpl practices in C++ where is the " master"　were widely used sophisticated methods, it has many advantages, such as reducing build dependencies and improve the speed of re-compile tools like advantage since not wait to say, while its right " to maintain stable interfaces nature " advantages more commendable.