Fix := syntax in examples

Author: Eloitor

example/match.bl

@@ -1,17 +1,17 @@
-def (xs? length) do:
+def xs? length =
     if xs == () then 0 else 1 + (xs tail length)
 
-def (xs? drop n?) do:
+def xs? drop n? =
     match n with:
         0 => xs
         n? => xs tail drop n - 1
 
-def (xs? take n?) do:
+def xs? take n? =
     match n with:
         0 => ()
         n? => xs head :: xs tail take n - 1
 
-def (merge a? b?) do:
+def merge a? b? =
     match (a, b) with:
         (a?, ()) => a
         ((), b?) => b
@@ -21,14 +21,14 @@ def (merge a? b?) do:
             else
                 b head :: (merge a b tail)
 
-def (sort items?) do:
+def sort items? =
     match items with:
         () => ()
         x? :: () => items
         xs? => do:
-            n := xs length
-            left := xs take n / 2
-            right := xs drop n / 2
+            def n = xs length
+            def left = xs take n / 2
+            def right = xs drop n / 2
             merge (sort left) (sort right)
 
 sort (list 4 7 5 2 3 0 1 9 8 6)

example/union.bl

@@ -1,9 +1,9 @@
-def (unpack x?) do:
+def unpack x? =
     match x with:
         i? : Int => "int!"
         s? : String => "string!"
 
-MyType := (Int | String)
-x := 1 : MyType
+def MyType = (Int | String)
+def x = 1 : MyType
 
-unpack x
+println unpack x