2016 Update

Task/Collections/Elixir/collections-6.elixir

@@ -1,10 +1,9 @@
-empty_set = HashSet.new                 #=> #HashSet<[]>
-set1 = Enum.into(1..4,HashSet.new)      #=> #HashSet<[2, 3, 4, 1]>
-Set.size(set1)                          #=> 4
-Set.member?(set1,3)                     #=> true
-Set.put(set1,9)                         #=> #HashSet<[2, 3, 4, 1, 9]>
-set2 = Enum.into([0,2,4,6],HashSet.new) #=> #HashSet<[0, 2, 6, 4]>
-Set.union(set1,set2)                    #=> #HashSet<[0, 2, 6, 4, 3, 1]>
-Set.intersection(set1,set2)             #=> #HashSet<[2, 4]>
-Set.difference(set1,set2)               #=> #HashSet<[3, 1]>
-Set.subset?(set1,set2)                  #=> false
+defmodule User do
+  defstruct name: "john", age: 27
+end
+john = %User{}                      #=> %User{age: 27, name: "john"}
+john.name                           #=> "john"
+%User{age: age} = john              #   pattern matching
+age                                 #=> 27
+meg = %User{name: "meg"}            #=> %User{age: 27, name: "meg"}
+is_map(meg)                         #=> true