What kind of programming language is Haskell?
AnswerPurely functional
Haskell is a purely functional language.
Coding · Facts & stats
Haskell facts & stats
7 fact-checked facts about the haskell programming language and functional programming, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Haskell is named after whom?
AnswerLogician Haskell Curry
The language honors mathematician Haskell Curry.
Going deeper
What evaluation strategy does Haskell use by default?
AnswerLazy evaluation
Haskell evaluates expressions only when needed.
What is Haskell's central package repository called?
AnswerHackage
Hackage hosts Haskell libraries.
In Haskell, what does a backslash (\) begin?
AnswerA lambda (anonymous function)
\x -> x + 1 is a lambda.
Expert level
In what year was the first Haskell language report published?
Answer1990
Haskell 1.0 was defined in 1990.
Which feature provides overloading, as in Eq and Show?
AnswerType classes
Type classes define shared behavior across types.
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