c#扩展方法奇思妙用基础篇七：IsBetween 通用扩展
相信大家在看了本文的题目之后，马上就能写出 IsBetween 扩展来： public static bool IntIsBetween(this int i, int lowerBound, int upperBound,
bool includeLowerBound = false, bool includeUpperBound = false)
{
return (inc
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