The second form is a postfix increment operation.
第二种形式是后置的递增运算。
How to properly overload postfix increment operator?
如何正确地重载后缀增量运算符？
The result of the postfix increment expression is not a variable, but a value.
后+ +符表达式的结果是个值而不是一个变量。
How is the postfix and prefix increment operator evaluated in an expression?
后缀和前缀增量运算符表达式中的评价如何？
How is the postfix and prefix increment operator evaluated in an expression?
后缀和前缀增量运算符表达式中的评价如何？
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