debug module

docs/Tuple.md

@@ -0,0 +1,84 @@
+Tuples
+======
+
+.. highlight:: haskell
+
+fst
+***
+
+::
+
+  fst :: (a, b) -> a
+
+Extract the first component of a pair.
+
+*Example*:
+
+::
+  
+  > fst (1,2)
+  1
+
+snd
+***
+
+::
+
+  snd :: (a, b) -> b
+
+Extract the second component of a pair.
+
+*Example*:
+
+::
+  
+  > snd (1,2)
+  2
+
+swap
+****
+
+::
+
+  swap :: (a, b) -> (b, a)
+
+Swap the components of a pair.
+
+*Example*:
+
+::
+  
+  > swap (1,2)
+  (2,1)
+
+curry
+*****
+
+::
+
+  curry :: ((a, b) -> c) -> a -> b -> c
+
+curry converts an uncurried function to a curried function.
+
+*Example*:
+
+::
+
+  > curry fst 1 2
+  1
+
+uncurry
+*******
+
+::
+
+  uncurry :: (a -> b -> c) -> (a, b) -> c
+
+uncurry converts a curried function to a function on pairs.
+
+*Example*:
+
+::
+
+  > uncurry (+) (1,2)
+  3