Functional Programming Trivia Questions
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Programming with pure functions. Play Functional Programming trivia solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play. Questions span every level, from easy warm-ups to expert-level stumpers, so there's a real challenge here however much you already know.
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Sample Functional Programming Quiz Questions
A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
In functional programming, a function that always returns the same output for the same input and has no side effects is called this.
Difficulty: Easy- Void function
- Pure function
- Static function
- Virtual function
This pattern in category theory represents a structure that can apply wrapped functions to wrapped values, sitting between Functor and Monad.
Difficulty: Medium- Applicative Functor
- Bifunctor
- Comonad
- Profunctor
This GHC extension allows higher-rank polymorphism, where quantifiers can appear inside function types.
Difficulty: Hard- RankNTypes
- ImpredicativeTypes
- PolymorphicComponents
- QuantifiedConstraints
This term describes data that cannot be changed after it is created, a core concept in functional programming.
Difficulty: Easy- Volatile
- Static
- Immutable
- Constant
This monadic operation takes a wrapped value and a function that returns a wrapped value, flattening the result.
Difficulty: Medium- fmap
- bind (>>=)
- join
- lift
This proof assistant uses dependent types and the calculus of constructions as its foundation.
Difficulty: Hard- Lean
- Coq
- Agda
- Isabelle
This higher-order function applies a given function to each element of a list, returning a new list with the results.
Difficulty: Easy- map
- filter
- reduce
- sort
This functional pattern represents computations that produce multiple results, like a list of all possible outcomes.
Difficulty: Medium- State Monad
- Reader Monad
- List Monad
- Writer Monad
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