Since the body of the callback is trivial here, we've defined the entire function inline as an anonymous subroutine.
由于这个回调程序体很小，所以我们将整个函数内嵌为一个匿名子例程来完成。
The initialize_vertices function needs to be called in the main program, so add the function call in the main subroutine at line 597.
需要在主程序中调用initialize_vertices函数，因此把函数调用添加到位于第597行的main子程序中。
If the character completes a function, the editor enables subroutine folding to minimize the text space.
如果该字符完成了一个函数，编辑器允许函数折叠以最小化文本空间。
The Perl subroutine checksize traverses over the whole file (as part of the @_ implicit array in Perl) and keeps checking for function lengths.
Perl子例程 checksize 处理整个文件（作为 Perl数组 @_ implicit的一部分）并检查函数长度。
Global or inline scripts, which are scripts that are not part of an event-handling subroutine or function, are executed immediately.
立即执行全局或内联脚本，这些脚本不是事件处理子例程或函数的一部分。
Global or inline scripts, which are scripts that are not part of an event-handling subroutine or function, are executed immediately.
立即执行全局或内联脚本，这些脚本不是事件处理子例程或函数的一部分。
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