1.the state of being included
2.the relation of comprising something;
he admired the inclusion of so many ideas in such a short work
3.any small intracellular body found within another (characteristic of certain diseases);
an inclusion in the cytoplasm of the cell
4.the act of including
包含多態(tài)(inclusion) 同樣的操作可用于一個類型及其子類型。(注意是子類型,不是子類。)包含多態(tài)一般需要進(jìn)行運行時的類型檢查。如Pascal中的子界。 幾點需要注意的地方: 1.包含多態(tài)的操作存在著逆單調(diào)(Anti-mornotonic)。即一個類型t上的操作,當(dāng)其定義域縮小成t的一個子類型時,其值域應(yīng)不小于t.