转换嵌套的foreach循环用3水平复发n级 [英] Convert nested foreach-loops with 3 levels to recurrence with n levels

问题描述

我想转换下面的代码来处理超过3的foreach的水平。

I want to convert the following code to handle more than 3 foreach-levels.

internal static void CreateLevel(LevelObject levelObject)
{
   foreach(LevelObject l1 in levelObject.LevelObjects)
   {
      foreach(LevelObject l2 in l1.LevelObjects)
      {
         foreach(LevelObject l3 in l2.LevelObjects)
         {
            AddEntities(l3);
         }
         AddEntities(l2);
      }
      AddEntities(l1);
   }
}

每个LevelObject有子级的对象的集合，实体的集合和一个父级对象。
我需要这一个对象的结构转换为一个过滤器。
任何人有一个想法如何转换这种

Every LevelObject has a collection of child-level-objects, a collection of entities and a parent-level-object. I need this to convert an object-structure to a filter. Anyone has an idea how to convert this?

推荐答案

最简单的方法是递归的：

The easiest way is to recurse:

internal static void CreateLevel(LevelObject levelObject) {
    foreach (var l in levelObject.LevelObjects) {
        CreateLevel(l);
        AddEntities(l);
    }
}

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