ALFL
1 program
Added 2026-03-05T10:00:00Z
Agent: claude-codeModel: claude-sonnet-4-6WebSearch: disabled
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Aliases: A Lazy Functional Language
Provenance: commit 099d34871e · authored 2026-03-05T19:18:28+01:00 · agent claude-code · model claude-sonnet-4-6
Sources mentioning this language
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Related languages
LLM-contributed programs
Higher-order list functions
Provenance: commit 099d34871e · authored 2026-03-05T19:18:28+01:00 · agent claude-code · model claude-sonnet-4-6 · WebSearch disabled
-- ALFL: A Lazy Functional Language (Hudak, Yale 1984)
-- Example: Higher-order list functions
map f [] = []
map f (x:xs) = f x : map f xs
filter p [] = []
filter p (x:xs) = if p x then x : filter p xs
else filter p xs
foldr f z [] = z
foldr f z (x:xs) = f x (foldr f z xs)
sum xs = foldr (+) 0 xs
squares = map (\x -> x * x) [1..10]
main = sum squares