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diff --git a/software/haskell.page b/software/haskell.page new file mode 100644 index 0000000..6911315 --- /dev/null +++ b/software/haskell.page @@ -0,0 +1,35 @@ + +Haskell +================== + +Structure +------------ +Haskell programs consist of monads, actions, modules, ??? + +Basic Syntax +--------------- + +A "type declaration": + + main :: IO () + +An action definition. Note that whitespace matters; the block extends to all +lines indented to the same position as the first non-whitespace after the +``do``: + + main = do + stuff1 + stuff2 + + +Compilation +------------ +By default the "main" action of the "Main" module is the action that is +executed when a compiled haskell program is run by the operating system; +this means that most haskell programs need to define these components. + +The `ghc` (Glasgow Haskell Compiler) is the most popular. To compile and +execute a simple one file haskell program you will do something like: + + ghc -o hello helloworld.hs + ./hello |