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What a road it has been so far! We have laid a solid foundation of types, functions, and various useful abstractions built in a neat hierarchy of typeclasses such as Functor–Applicative–Monad. Now, finally, we are very close to starting to build real-world programs. The two remaining puzzle pieces are the so-called IO Monad, which will allow us to perform input/output operations, and Monad transformer stacks – the beautiful way to structure Haskell programs of arbitrary complexity. They are the topic of this chapter.

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Input, Transformer Stack, Output

  • 章节

  • 发表日期：

    2025年

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  • Anton Antich

摘要

What a road it has been so far! We have laid a solid foundation of types, functions, and various useful abstractions built in a neat hierarchy of typeclasses such as Functor–Applicative–Monad. Now, finally, we are very close to starting to build real-world programs. The two remaining puzzle pieces are the so-called IO Monad, which will allow us to perform input/output operations, and Monad transformer stacks – the beautiful way to structure Haskell programs of arbitrary complexity. They are the topic of this chapter.