treeInsert :: (Ord a) => a -> Tree a -> Tree a
treeInsert x EmptyTree = singleton x
treeInsert x (Node v left right)
| x == v = Node x left right
| x < v = Node v (treeInsert x left) right
| x > v = Node v left (treeInsert x right)
Simple dependent type example in Haskell for Dummies. How are they useful in practice in Haskell? Why should I care abou
like below fixes the issue Late to the party, this answer is basically a shameless plug. Sam Lindley and I wrote a paper about Hasochism, the pleasure and pain of dependently typed programming in Haskell. It gives plenty of examples of what's possible now in Haskell and draws points of comparison (favourable as well as not) with the Agda/Idris generation of dependently typed languages.
f :: forall a. r[a] -> s[a] -> t[a]
infinite type error in haskell when trying to translate python function into haskell. Why?
Hope that helps An object is a reference type if it is a class, and a value type if it is a struct or enumerable. FileAttachment is a class. As such, the assignment attachment.LocalFile = stream; does not result in a memory leak because it is a copy by reference assignment.
Best Practice on design and usage of data type in Haskell