Implement all of notnotodd

lib/not_not_odd.rb

@@ -0,0 +1,5 @@
+class Integer
+  def method_missing(m, *args, &block)
+    /is_(not_)+odd\?/.match?(m) ? ( m.to_s.scan(/not_/).count.odd? ? even? : odd? ) : super
+  end
+end

not_not_odd.gemspec

@@ -0,0 +1,13 @@
+Gem::Specification.new do |s|
+  s.name        = "not_not_odd"
+  s.version     = "0.0.1"
+  s.summary     = "It's Not _not_ Odd!"
+  s.description = "Checks if a number isn't not odd."
+  s.authors     = ["Jon O'Donnell"]
+  s.email       = "johnodonnell1997@icloud.com"
+  s.files       = ["lib/not_not_odd.rb"]
+  s.homepage    =
+    "https://rubygems.org/gems/not_not_odd"
+  s.license       = "MIT"
+end
+