From e20dc472d3bc71ba927d6ddb0fb0032e1646df77 Mon Sep 17 00:00:00 2001
From: Erik Michaels-Ober <sferik@gmail.com>
Date: Sun, 7 Jun 2015 22:41:52 +0200
Subject: [PATCH] Define implicit conversion for to_hash

---
 .../commands/define_implicit_conversions.rb                   | 4 ++++
 spec/implicit_conversions_spec.rb                             | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/lib/naught/null_class_builder/commands/define_implicit_conversions.rb b/lib/naught/null_class_builder/commands/define_implicit_conversions.rb
index c26a107..bc0bafb 100644
--- a/lib/naught/null_class_builder/commands/define_implicit_conversions.rb
+++ b/lib/naught/null_class_builder/commands/define_implicit_conversions.rb
@@ -11,6 +11,10 @@ def to_ary
                 []
               end
 
+              def to_hash
+                {}
+              end
+
               def to_str
                 ''
               end
diff --git a/spec/implicit_conversions_spec.rb b/spec/implicit_conversions_spec.rb
index 95b4eed..43e5b68 100644
--- a/spec/implicit_conversions_spec.rb
+++ b/spec/implicit_conversions_spec.rb
@@ -16,6 +16,9 @@
   it 'implicitly converts to an empty array' do
     expect(null.to_ary).to eq([])
   end
+  it 'implicitly converts to an empty hash' do
+    expect(null.to_hash).to eq({})
+  end
   it 'implicitly converts to an empty string' do
     expect(null.to_str).to eq('')
   end