Right and left folds, primitive recursion patterns in Python and Haskell - Eli Bendersky's website
folding a list right and left using cons and nil results in the identity and reverse functions : r/haskell
Foldable Typeclass in Haskell
Foldable and Traversible | Tim's code stuff
Higher order functions - Wikibooks, open books for an open world
Folding Unfolded - Polyglot FP for Fun and Profit - Haskell and Scala - Part 5
multiwingspan
Higher-Order Functions - ModernesCpp.com
1 Foldl and Foldr In class we discussed the foldl | Chegg.com
haskell - How can I drop nth element of a list using foldl? - Stack Overflow
🤯 data Fold I O = (Monoid m) => Fold (i -> m) (m -> o) : r/ haskell
Curious why foldl in haskell has a different type than elm. · Issue #764 · elm/core · GitHub
Foldable and Traversable - HaskellWiki
The Universal Properties of Map, Fold, and Filter – Math ∩ Programming
Lecture17-- Lazy and strict evaluation Dynamic vs lexical scoping copy
Racket: foldr and foldl + Recurrence Relationships Practice! - YouTube
Haskell unit 6: The fold functions | Antoni Diller
Implementing a Foldable instance for a tree | Haskell Data Analysis Cookbook
Fold - HaskellWiki
Fold Expressions - ModernesCpp.com
Drawing foldl and foldr – Blog – Joachim Breitner's Homepage
File:CPT fold function example.svg - Wikimedia Commons
Fold - HaskellWiki
