为什么 C# 运算符重载必须是静态的? [英] Why must C# operator overloads be static?

问题描述

为什么 C# 要求运算符重载是静态方法而不是成员函数(如 C++)?(也许更具体地说:这个决定的设计动机是什么?)

Why does C# require operator overloads to be static methods rather than member functions (like C++)? (Perhaps more specifically: what was the design motivation for this decision?)

推荐答案

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有几个原因，主要似乎是为了保持运算符的对称性(这样二元运算的左侧不会得到特殊处理，因为它负责调度操作).

A couple of reasons, the primary seeming to be to preserve operator symmetry (such that the left hand side of a binary operation does not get special treatment, as being responsible for dispatching the operation).

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