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Haskell is a purely functional programming language, featuring static typing, lazy evaluation, and monadic effects. The primary implementation is GHC, a high-performance compiler with a runtime supporting many forms of parallelism and concurrency.

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Log messages parser

Disclaimer: I assume you want to write confident idiomatic Haskell regardless if an assignment guarantees a perfect log file format. … unwords ws) $ parseInt t "W":t:ws -> try $ asW (unwords ws) $ parseInt t "E":s:t:ws -> try $ asE (unwords ws) (parseInt s) $ parseInt t _ -> u That I believe is the beauty of Haskell
Dwayne Crooks's user avatar