Simple examples - School of Haskell | School of Haskell
Interactive code snippets not yet available for SoH 2.0, see our Status of of School of Haskell 2.0 blog post Simple applicationmain = putStrLn "Hello, world!"System infoimport System.Info main = do print os print arch print compilerName print compilerVersionSystem environmentimport System.Environment main = do getArgs >>= print getProgName >>= print getEnvironment >>= printSystem environment for
Parsing Log FIles in Haskell - School of Haskell | School of Haskell
Interactive code snippets not yet available for SoH 2.0, see our Status of of School of Haskell 2.0 blog post IntroductionIn this tutorial you will learn how to parse log-like files and how to render a log to a file. Many applications use logs to keep track of some useful information to be analysed later on. Parsing a log-like file it is an easy parsing task in comparison with parsing, say, a prog
Lens/Aeson Traversals/Prisms - School of Haskell | School of Haskell
Interactive code snippets not yet available for SoH 2.0, see our Status of of School of Haskell 2.0 blog post In the first Haskell Cast podcast Rein Henrichs and Chris Forno interviewed Edward Kmett in part about lens and it was suggested that Prisms don't have the same kind of introductory tutorial treatment. That's a shame, though. Prisms arise naturally all the time when using sum types. You co
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ByteString Bits and Pieces - School of Haskell | School of Haskell
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