metaclass 中文意思是什麼
metaclass
解釋
元類-
Once we intro ? duce metaclasses, we can finally declare the selector for a dynamically linked method where it belongs : in the same interface file as the metaclass pointer
一旦引入元類，我們終于能在元類指針所在的同一介面頭文件里聲明動態連接方法專有的選擇器。 -
A metaclass, again, has a class description
同樣地，一個元類也有類描述。 -
So. m. halper had presented a methodology based on the metaclass mechanism to incorporate the part - whole semantic relationships into oodbs
為此， m . halper等人提出了一種基於元類機制的，將部分-整體語義聯系集成到oodbs中的方法。 -
Class descriptions with the same set of method pointers constitute a metaclass ? class descriptions are objects, too
有著同一組方法指針的類描述構成一個元類? ?類描述也是對象。 -
The subclass always includes the superclass and defines a pointer to the class description and to the metaclass description if there is a new one
子類總是包含了基類，還定義指向類描述的指針以及指向元類描述? ?如果有新的的話? ?的指針。 -
From comments to packages, including classes themselves, every concept in uml has a metaclass
從注釋到包，包括類本身， uml中的每個概念都有一個元類。 -
Because there are a few oodbs which support the metaclass mechanism, this methodology has limitation to some degree
但只有少數的oodbs支持元類機制，因此該方法存在一定的局限性。 -
There is a standard way to write all metaclass constructors so that the selector / method pairs can be specified in any order
這是寫所有元類構造函數的標準方試，這樣就可以以任意次序指定選擇器/方法對偶。 -
These three distinct viewpoints discussed above have defined the three object models : class - based, prototype - based, and metaclass - based
而這三種對象模型也就導致了許多不同的程序設計語言（如果我們暫時把靜態與動態的差別放在一邊） 。 -
It ' s remarkable enough when implementations of simple techniques work exactly as expected the first time ; but my first metaclass hack in a new language, six days from a cold standing start
32行代碼，還包括注釋行，就出現了我所想要的那個類的結構，調用的代碼也很容易讀。 -
Each metaclass specification was expanded with information that explicitly identifies semantic variation points, notational options, and its relationship to the uml 1 specifications
每一個元類規范被擴大化了，它明確地確定了語義的不同點，符號的選擇權，以及它與uml 1規范的關系。
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