变量声明之间的区别...... [英] Difference between variable declarations...

问题描述

大家好，


之间有什么区别：

int&我;


和


int i;


？

干杯，

Paulo Matos

Hi all,

What''s the difference between:
int& i;

and

int i;

?

Cheers,

Paulo Matos

推荐答案

pmatos写道：

pmatos wrote:

大家好，

有什么区别：
int& i;



int i;

？

Hi all,

What''s the difference between:
int& i;

and

int i;

?

前者是对整数的引用，后者是整数。

The former is a reference to an integer, the latter is an integer.

得到它，谢谢。 5.5 C ++ PL。 :)

Got it, thanks. 5.5 of C++PL. :)

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pmatos写道：

pmatos wrote:

大家好，

有什么区别：
int& i;





？

Hi all,

What''s the difference between:
int& i;

and

int i;

?

前者是对整数，后者是一个整数。

The former is a reference to an integer, the latter is an integer.

前者不是合法的C ++，必须初步确定引用。


Sharad

Also former is not legal C++, a reference has to be initialized for sure.

Sharad

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