Tag: type systems
Haskell中`data`和`newtype`之间的区别
我写这个有什么不同？ data Book = Book Int Int newtype Book = Book(Int, Int) — "Book Int Int" is syntactically invalid
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我写这个有什么不同？ data Book = Book Int Int newtype Book = Book(Int, Int) — "Book Int Int" is syntactically invalid
