我有一架载有“强硬”的ArrayList,并载有其他可能含有“强硬”或甚至更多的ArrayList。
从这个多层次的阿雷拉派分子中抽取所有力量是否简单?
我假定会再次入侵,但我没有能够工作。
我有一架载有“强硬”的ArrayList,并载有其他可能含有“强硬”或甚至更多的ArrayList。
从这个多层次的阿雷拉派分子中抽取所有力量是否简单?
我假定会再次入侵,但我没有能够工作。
public static ArrayList FlattenList(ArrayList list) {
ArrayList l = new ArrayList();
FillList(list, l);
return l;
}
private static void FillList(ArrayList source, ArrayList listToFill) {
foreach (object o in source) {
ArrayList l = o as ArrayList;
if (l != null)
FillList(l, listToFill);
else
listToFill.Add(o);
}
}
作为一种替代办法,如果你能够使用通用和代用集团,就有可能采用单一方法:
public static IEnumerable<string> GetStrings(ArrayList list)
{
foreach(var item in list)
{
var @string = item as string;
if (@string != null)
yield return @string;
var nestedList = item as ArrayList;
if(nestedList == null)
continue;
foreach (var childString in GetStrings(nestedList))
yield return childString;
}
}
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