Ranges also support more complex initializations.
范围还支持更复杂的初始化。
The first thing is what we're going to call "initializations."
第一个事情是我们叫做的“初始化。”
You can use one line or two in your own variable initializations.
可以在自己的变量初始化中使用一行或两行。
These initializations take effect whether or not your code ever executes the block.
不管代码是否执行该块，这些初始化都会生效。
These initializations take effect whether or not your code ever executes the block.
不管代码是否执行该块，这些初始化都会生效。
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