编译器将根据变量的初始化表达式的类型来推断变量的数据类型。

The compiler infers the data type of a variable from the type of its initialization expression.

youdao

由于宏的运作方式与l - value类似，因此也可在宏中进行变量的初始化。

Since the macro behaves like an l-value, you can also initialize it there.

youdao

通常，setup函数包含size函数(用于定义窗口的边界)以及在操作期间要使用的变量的初始化。

Typically, the setup function contains the size function (to define the bounds of the window) as well as initialization of variables that are used during operation.

youdao

It's how you can initialize a variable to like zero for counting's sake or something like that.

你可以初始化一个变量，像0用来,计数的或者诸如此类的。

哈佛公开课 - 计算机科学课程节选

So it's initialized outside the loop when it should be initialized inside the loop. Or conversely, inside the loop when it should be outside the loop. So look carefully at when variables are being initialized.

却忘记了,意思就是它本来应该,是在循环外初始化,但是却是在循环初始化的,所以在初始化变量的时候注意这一点。

麻省理工公开课 - 计算机科学及编程导论课程节选

N So, I'm initializing a variable called N to the string length of s1.

我初始化一个变量,等于s1的字符串长度。

哈佛公开课 - 计算机科学课程节选