Adds examples to readme (#13)

Adds examples to readme and a test case for comparisons with variables.

README.md

@@ -14,9 +14,200 @@ def deps do
 end
 ```
 
+## Examples
+
 ```elixir
-iex> JsonLogic.apply(%{"log" => "value"})
-"value"
+JsonLogic.resolve(nil)
+#=> nil
+
+JsonLogic.resolve(%{})
+#=> %{}
+
+JsonLogic.resolve(%{"var" => "key"}, %{"key" => "value"})
+#=> "value"
+
+JsonLogic.resolve(%{"var" => "nested.key"}, %{"nested" => %{"key" => "value"}})
+#=> "value"
+
+JsonLogic.resolve(%{"var" => ["none", "default"]}, %{"key" => "value"})
+#=> "default"
+
+JsonLogic.resolve(%{"var" => 0}, ~w{a b})
+#=> "a"
+
+JsonLogic.resolve(%{"==" => [1, 1]})
+#=> true
+
+JsonLogic.resolve(%{"==" => [0, 1]})
+#=> false
+
+JsonLogic.resolve(%{"!=" => [1, 1]})
+#=> false
+
+JsonLogic.resolve(%{"!=" => [0, 1]})
+#=> true
+
+JsonLogic.resolve(%{"===" => [1, 1]})
+#=> true
+
+JsonLogic.resolve(%{"===" => [1, 1.0]})
+#=> false
+
+JsonLogic.resolve(%{"===" => [1, %{"var" => "key"}]}, %{"key" => 1})
+#=> true
+
+JsonLogic.resolve(%{"!==" => [1, 1.0]})
+#=> true
+
+JsonLogic.resolve(%{"!==" => [1, 1]})
+#=> false
+
+JsonLogic.resolve(%{"!" => true})
+#=> false
+
+JsonLogic.resolve(%{"!" => false})
+#=> true
+
+JsonLogic.resolve(%{"if" => [true, "yes", "no" ]})
+#=> "yes"
+
+JsonLogic.resolve(%{"if" => [false, "yes", "no" ]})
+#=> "no"
+
+JsonLogic.resolve(%{"if" => [false, "unexpected", false, "unexpected", "default" ]})
+#=> "default"
+
+JsonLogic.resolve(%{"or" => [false, nil, "truthy"]})
+#=> "truthy"
+
+JsonLogic.resolve(%{"or" => ["first", "truthy"]})
+#=> "first"
+
+JsonLogic.resolve(%{"and" => [false, "falsy"]})
+#=> false
+
+JsonLogic.resolve(%{"and" => [true, 1, "truthy"]})
+#=> "truthy"
+
+JsonLogic.resolve(%{"max" => [1,2,3]})
+#=> 3
+
+JsonLogic.resolve(%{"min" => [1,2,3]})
+#=> 1
+
+JsonLogic.resolve(%{"<" => [0, 1]})
+#=> true
+
+JsonLogic.resolve(%{"<" => [1, 0]})
+#=> false
+
+JsonLogic.resolve(%{"<" => [0, 1, 2]})
+#=> true
+
+JsonLogic.resolve(%{"<" => [0, 2, 1]})
+#=> false
+
+JsonLogic.resolve(%{">" => [1, 0]})
+#=> true
+
+JsonLogic.resolve(%{">" => [0, 1]})
+#=> false
+
+JsonLogic.resolve(%{">" => [2, 1, 0]})
+#=> true
+
+JsonLogic.resolve(%{">" => [2, 0, 1]})
+#=> false
+
+JsonLogic.resolve(%{"<=" => [1, 1]})
+#=> true
+
+JsonLogic.resolve(%{"<=" => [1, 0]})
+#=> false
+
+JsonLogic.resolve(%{"<=" => [1, 1, 2]})
+#=> true
+
+JsonLogic.resolve(%{"<=" => [1, 0, 2]})
+#=> false
+
+JsonLogic.resolve(%{">=" => [1, 1]})
+#=> true
+
+JsonLogic.resolve(%{">=" => [0, 1]})
+#=> false
+
+JsonLogic.resolve(%{">=" => [1, 1, 0]})
+#=> true
+
+JsonLogic.resolve(%{">=" => [0, 1, 2]})
+#=> false
+
+JsonLogic.resolve(%{"+" => [1,2,3]})
+#=> 6
+
+JsonLogic.resolve(%{"+" => [2]})
+#=> 2
+
+JsonLogic.resolve(%{"-" => [7,4]})
+#=> 3
+
+JsonLogic.resolve(%{"-" => [2]})
+#=> -2
+
+JsonLogic.resolve(%{"*" => [2,3,4]})
+#=> 24
+
+JsonLogic.resolve(%{"/" => [5,2]})
+#=> 2.5
+
+JsonLogic.resolve(%{"%" => [7, 3]})
+#=> 1
+
+JsonLogic.resolve(%{"map" => [[1,2,3,4,5], %{"*" => [%{"var" => ""}, 2]}]})
+#=> [2,4,6,8,10]
+
+JsonLogic.resolve(%{"filter" => [[1,2,3,4,5], %{">" => [%{"var" => ""}, 2]}]})
+#=> [3,4,5]
+
+JsonLogic.resolve(%{"reduce" => [[1,2,3,4,5], %{"+" => [%{"var" => "current"}, %{"var" => "accumulator"}]}, 0]})
+#=> 15
+
+JsonLogic.resolve(%{"all" => [[1,2,3], %{">" => [%{"var" => ""}, 0]}]})
+#=> true
+
+JsonLogic.resolve(%{"all" => [[-1,2,3], %{">" => [%{"var" => ""}, 0]}]})
+#=> false
+
+JsonLogic.resolve(%{"none" => [[1,2,3], %{"<" => [%{"var" => ""}, 0 ]}]})
+#=> true
+
+JsonLogic.resolve(%{"none" => [[-1,2,3], %{"<" => [%{"var" => ""}, 0 ]}]})
+#=> false
+
+JsonLogic.resolve(%{"some" => [[-1,2,3], %{"<" => [%{"var" => ""}, 0 ]}]})
+#=> true
+
+JsonLogic.resolve(%{"some" => [[1,2,3], %{"<" => [%{"var" => ""}, 0 ]}]})
+#=> false
+
+JsonLogic.resolve(%{"in" => ["sub", "substring"]})
+#=> true
+
+JsonLogic.resolve(%{"in" => ["na", "substring"]})
+#=> false
+
+JsonLogic.resolve(%{"in" => ["a", ["a", "b", "c"]]})
+#=> true
+
+JsonLogic.resolve(%{"in" => ["z", ["a", "b", "c"]]})
+#=> false
+
+JsonLogic.resolve(%{"cat" => ["a", "b", "c"]})
+#=> "abc"
+
+JsonLogic.resolve(%{"log" => "string"})
+#=> "string"
 ```
 
 Detailed documentation can be found at [https://hexdocs.pm/json_logic](https://hexdocs.pm/json_logic).

mix.exs

@@ -1,7 +1,7 @@
 defmodule JsonLogic.Mixfile do
   use Mix.Project
 
-  @version "0.4.0"
+  @version "1.0.0"
 
   def project do
     [

test/json_logic_test.exs

@@ -841,6 +841,16 @@ defmodule JsonLogicTest do
   end
 
   describe ">" do
+    test "comparison with variables" do
+      logic = %{">" => [%{"var" => "quantity"}, 25]}
+      data = %{"quantity" => 1}
+      assert JsonLogic.resolve(logic, data) == false
+
+      logic = %{">" => [%{"var" => "quantity"}, 25]}
+      data = %{"abc" => 1}
+      assert JsonLogic.resolve(logic, data) == false
+    end
+
     test "integer, float, and decimal comparisons" do
       ones = [Decimal.new("1.0"), "1.0", "1", 1.0, 1]
       twos = [Decimal.new("2.0"), "2.0", "2", 2.0, 2]