haskell Archives - IT Nursery

haskell, Programming

IT Nursery

What is the difference between traits in Rust and typeclasses in Haskell?

Traits in Rust seem at least superficially similar to typeclasses in Haskell, however I’ve seen people write that there are some differences between ...

June 2, 2022
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haskell, Programming

IT Nursery

What is the difference between Int and Integer?

In Haskell, what is the difference between an Int and an Integer? Where is the answer documented? 6 Answers 6

June 2, 2022
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haskell, Programming

IT Nursery

What is an appropriate type for smart contracts?

I’m wondering what is the best way to express smart contracts in typed languages such as Haskell or Idris (so you could, for ...

May 31, 2022
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haskell, Programming

IT Nursery

Are there pronounceable names for common Haskell operators? [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Closed 4 years ago. Locked. This question and its answers are locked ...

May 30, 2022
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haskell, Programming

IT Nursery

When is -XAllowAmbiguousTypes appropriate?

I’ve recently posted a question about syntactic-2.0 regarding the definition of share. I’ve had this working in GHC 7.6: {-# LANGUAGE GADTs, TypeOperators, ...

May 29, 2022
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haskell, Programming

IT Nursery

Difference between `data` and `newtype` in Haskell

What is the difference when I write this? data Book = Book Int Int versus newtype Book = Book (Int, Int) -- "Book ...

May 28, 2022
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haskell, Programming

IT Nursery

Good examples of Not a Functor/Functor/Applicative/Monad?

While explaining to someone what a type class X is I struggle to find good examples of data structures which are exactly X. ...

May 27, 2022
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Comparing Haskell’s Snap and Yesod web frameworks

The two Haskell web frameworks in the news recently are Yesod (at 0.8) and Snap (at 0.4). It’s quite obvious that Yesod currently ...

May 25, 2022
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Haskell: Lists, Arrays, Vectors, Sequences

I’m learning Haskell and read a couple of articles regarding performance differences of Haskell lists and (insert your language)’s arrays. Being a learner ...

May 22, 2022
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Getting associated type synonyms with template Haskell

Can Template Haskell find out the names and/or the declarations of the associated type synonyms declared in a type class? I expected reify ...

May 21, 2022
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