Add #fetch to HashWithIndifferentAccess

Author: justincampbell

lib/thor/core_ext/hash_with_indifferent_access.rb

@@ -28,6 +28,10 @@ def delete(key)
         super(convert_key(key))
       end
 
+      def fetch(key, *args)
+        super(convert_key(key), *args)
+      end
+
       def key?(key)
         super(convert_key(key))
       end

spec/core_ext/hash_with_indifferent_access_spec.rb

@@ -14,10 +14,16 @@
     expect(@hash.delete(:foo)).to eq("bar")
   end
 
+  it "supports fetch" do
+    expect(@hash.fetch("foo")).to eq("bar")
+    expect(@hash.fetch("foo", nil)).to eq("bar")
+    expect(@hash.fetch(:foo)).to eq("bar")
+    expect(@hash.fetch(:foo, nil)).to eq("bar")
+  end
+
   it "has key checkable by either strings or symbols" do
     expect(@hash.key?("foo")).to be true
     expect(@hash.key?(:foo)).to be true
-
     expect(@hash.key?("nothing")).to be false
     expect(@hash.key?(:nothing)).to be false
   end