因此，基于尽量使用已有Go代码风格、最大程度避免隐式声明，并仅解决最常见的错误处理样板代码的原则，下面我基于Ian提案的错误处理改进语法，谈点自己关于新？操作符使用的想法，大家看看是否可行。

Egyptian President Abdel-Fattah al-Sisi received a phone call from US President Donald Trump on Saturday, having "a positive discussion" on the ongoing Israel-Hamas ceasefire in the Gaza Strip ...