elixirscript
diff --git a/‎priv/std_lib/bootstrap/functions.ex‎
Lines changed: 10 additions & 5 deletions b/‎priv/std_lib/bootstrap/functions.ex‎
Lines changed: 10 additions & 5 deletions
diff --git a/‎test/app/spec/bootstrap/functions.spec.js‎
Lines changed: 3 additions & 2 deletions b/‎test/app/spec/bootstrap/functions.spec.js‎
Lines changed: 3 additions & 2 deletions
@@ -5,14 +5,19 @@ defmodule ElixirScript.Bootstrap.Functions do
   end
 
   def contains(left, [right]) do
-    match?(left, right)
+    case right do
+      ^left ->
+        true
+      _ ->
+        false
+    end
   end
 
-  def contains(left, [h|t]) do   
-    case match?(left, h) do
-      true ->
+  def contains(left, [h|t]) do
+    case h do
+      ^left ->
         true
-      false ->
+      _ ->
         contains(left, t)
     end
   end
 
@@ -6,8 +6,9 @@ describe('Functions', () => {
     const Functions = Elixir.load(Elixir.ElixirScript.Bootstrap.Functions);
     expect(Functions.contains(1, [])).to.eq(false);
     expect(Functions.contains(1, [1, 2, 3])).to.eq(true);
+    expect(Functions.contains(4, [1, 2, 3])).to.eq(false);
     expect(Functions.contains(1, [1])).to.eq(true);
-
+    expect(Functions.contains(4, [1])).to.eq(false);
     expect(Functions.contains('apple', [1])).to.eq(false);
   });
 
@@ -16,7 +17,7 @@ describe('Functions', () => {
     expect(Functions.get_object_keys({})).to.eql([]);
     expect(Functions.get_object_keys({ key: 1 })).to.eql(['key']);
     expect(
-      Functions.get_object_keys({ key: 1, [Symbol.for('hi')]: 2 }),
+      Functions.get_object_keys({ key: 1, [Symbol.for('hi')]: 2 })
     ).to.eql(['key', Symbol.for('hi')]);
   });