It ACTS like a macro in this context, where calling the method of function via the closure makes the function call in the context of where it's defined.
它在此上下文中用作宏，通过闭包调用函数方法将在定义它的上下文中执行函数调用。
It ACTS like a macro in this context, where calling the method of function via the closure makes the function call in the context of where it's defined.
它在此上下文中用作宏，通过闭包调用函数方法将在定义它的上下文中执行函数调用。
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