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defer

名称

defer() - 当前函数运行结束后执行指定函数

语法

void defer(function f)

描述

在当前函数执行结束后调用函数 `f`

示例

void create()
{
  ::create();

  defer( (: enable_commands :) );
}

The effect the defer() function has is it will cause the
enable_commands() efun to be called after the execution of the
create() function ends.  The argument passed to defer() can be
any function type.