polymorphic functions 中文意思是什麼
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We can view selectors as methods which themselves are not dynamically linked but still behave like polymorphic functions because they let dynamically linked functions do their real work
我們可以認為選擇器是不動態鏈接但仍然被認為行為類似多態函數的方法，這是因為他們是在真正工作的時候才進行動態鏈接。 -
One might program polymorphic constructor functions, perhaps by providing multiple type signatures to the constructors
您可能通過為構造器提供多個類型說明來編寫多態構造器函數。
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