And, like Array [t], List [t] inherits from a number of base classes and traits, starting with Seq [t] as an immediate base.
并且，和Array [t]相同，List [t]继承了很多基类和特性，首先使用Seq [t]作为直接上层基类。
If it is not found, look in the immediate base class and continue up the chain of classes until either the function is found or the last class is searched.
如果没找到，就在直接基类中找，依此类推，沿着类的继承链向上寻找，直至函数找到或者最后一个也被搜寻过为止。
If it is not found, look in the immediate base class and continue up the chain of classes until either the function is found or the last class is searched.
如果没找到，就在直接基类中找，依此类推，沿着类的继承链向上寻找，直至函数找到或者最后一个也被搜寻过为止。
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