C++运算符优先级

运算符优先级：

域名解析符最高；

然后是前置增量符/前置减量符/括号/数组下标/指针访问符；

单目运算符比双目运算符高；

算术双目比其它双目高；

位运算高于关系运算；

关系运算高于按位运算（&, |, ^）；

按位运算高于逻辑运算；

三目的只有一个条件运算（？：），低于逻辑运算

赋值运算仅比 , (顺序运算)高

Precedence	Operator	Description	Associativity
1	`::`	Scope resolution	Left-to-right
2	`++` `--`	Suffix/postfix increment and decrement
	`()`	Function call
	`[]`	Array subscripting
	`.`	Element selection by reference
	`->`	Element selection through pointer
	`typeid()`	Run-time type information (see [`typeid`](http://en.cppreference.com/w/cpp/language/typeid))
	`const_cast`	Type cast (see [`const_cast`](http://en.cppreference.com/w/cpp/language/const_cast))
	`dynamic_cast`	Type cast (see [`dynamic_cast`](http://en.cppreference.com/w/cpp/language/dynamic_cast))
	`reinterpret_cast`	Type cast (see [`reinterpret_cast`](http://en.cppreference.com/w/cpp/language/reinterpret_cast))
	`static_cast`	Type cast (see [`static_cast`](http://en.cppreference.com/w/cpp/language/static_cast))
3	`++` `--`	Prefix increment and decrement	Right-to-left
	`+` `-`	Unary plus and minus
	`!` `~`	Logical NOT and bitwise NOT
	`(type)`	Type cast
	`*`	Indirection (dereference)
	`&`	Address-of
	`sizeof`	Size-of
	`new`, `new[]`	Dynamic memory allocation
	`delete`, `delete[]`	Dynamic memory deallocation
4	`.` `->`	Pointer to member	Left-to-right
5	`*` `/` `%`	Multiplication, division, and remainder
6	`+` `-`	Addition and subtraction
7	`<<` `>>`	Bitwise left shift and right shift
8	`<` `<=`	For relational operators < and ≤ respectively
8	`>` `>=`	For relational operators > and ≥ respectively
9	`==` `!=`	For relational = and ≠ respectively
10	`&`	Bitwise AND
11	`^`	Bitwise XOR (exclusive or)
12	`\|`	Bitwise OR (inclusive or)
13	`&&`	Logical AND
14	`\|\|`	Logical OR
15	`?:`	Ternary conditional	Right-to-Left
16	`=`	Direct assignment (provided by default for C++ classes)
	`+=` `-=`	Assignment by sum and difference
	`*=` `/=` `%=`	Assignment by product, quotient, and remainder
	`<<=` `>>=`	Assignment by bitwise left shift and right shift
	`&=` `^=` `\|=`	Assignment by bitwise AND, XOR, and OR
17	`throw`	Throw operator (exceptions throwing)
18	`,`	Comma	Left-to-right

原文链接: https://www.cnblogs.com/newhand-liu/archive/2012/03/21/2793299.html

欢迎关注

微信关注下方公众号，第一时间获取干货硬货；公众号内回复【pdf】免费获取数百本计算机经典书籍

原创文章受到原创版权保护。转载请注明出处：https://www.ccppcoding.com/archives/44725

非原创文章文中已经注明原地址，如有侵权，联系删除

关注公众号【高性能架构探索】，第一时间获取最新文章

转载文章受原作者版权保护。转载请注明原作者出处！

C++运算符优先级

相关推荐