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What is the <=> ("spaceship", three-way comparison) operator in C++?
On 2017-11-11, the ISO C++ committee adopted Herb Sutter's proposal for the <=> "spaceship" three-way comparison operator as one of the new features that were added to C++20.In the paper titled Consistent comparison Sutter, Maurer and Brown demonstrate the concepts of the new design. ...
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3-way comparison operator (Space Ship Operator) in C++ 20
The spaceship operator or the compiler can auto-generate it for us. Also, a three-way comparison is a function that will give the entire relationship in one query. Traditionally, strcmp() is such a function. Given two strings it will return an integer where, < 0 means ...
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C++20 新特性: 三向比较运算符 - CSDN博客
C++20的三路比较运算符 operator<=>01 默认比较01.01 默认比较01.02 定制比较强序弱序偏序02 C++20的关系运算符与比较接口03 参考 三路比较运算符 <=> 通常被称为宇宙飞船运算符(spaceship operator)。可以执行字典序比较,它按照基类从左到右的顺序,并按字段声明顺序对非静态成员进行比较。
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Simplify Your Code With Rocket Science: C++20’s Spaceship Operator
The spaceship operator is a welcomed addition to C++ and it is one of the features that will simplify and help you to write less code, and, sometimes, less is more. So buckle up with C++20’s spaceship operator! We urge you to go out and try the spaceship !
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三路比较运算符(Spaceship Operator) - CSDN博客
三路比较运算符 <=> 也被称为宇宙飞船运算符(spaceship operator)。三路比较运算符表达式的形式为: 左操作数<=>右操作数 为什么引入 如果项目中使用struct的值用作std::map的key,因此就需要自己实现比较运算符。如果实现得不对(可能会出现自相矛盾,a < b 且 b < a),程序可能会崩溃。
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Introduction to the C++20 spaceship operator | by CMP | Medium
C++20 introduced the three-way comparison operator, also known as the “spaceship operator” due to its appearance: <=>.The purpose is to streamline the process of comparing objects. The Basics Below is a simple example that uses this new spaceship operator: ...