关于[Introduction to OPTION type in CSharp]的摘要:
Option type is a polymorphic type introduced in Type theory and has been adopted in many programming languages most of them are functional languages like (F#, Haskell, typescript,…) but some are object-oriented too like java.
原文地址: https://medium.com/@csharpwriter/introduction-to-option-type-in-csharp-a4d540988411