start of haskell writeup

1 files changed, 35 insertions, 0 deletions

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