lib/version_gem/api.rb in version_gem-1.1.0 vs lib/version_gem/api.rb in version_gem-1.1.1

@@ -9,39 +9,39 @@
 
     # The major version
     #
     # @return [Integer]
     def major
-      _to_a[0].to_i
+      @major ||= _to_a[0].to_i
     end
 
     # The minor version
     #
     # @return [Integer]
     def minor
-      _to_a[1].to_i
+      @minor ||= _to_a[1].to_i
     end
 
     # The patch version
     #
     # @return [Integer]
     def patch
-      _to_a[2].to_i
+      @patch ||= _to_a[2].to_i
     end
 
     # The pre-release version, if any
     #
     # @return [String, NilClass]
     def pre
-      _to_a[3]
+      @pre ||= _to_a[3]
     end
 
     # The version number as a hash
     #
     # @return [Hash]
     def to_h
-      {
+      @to_h ||= {
         major: major,
         minor: minor,
         patch: patch,
         pre: pre
       }
@@ -49,18 +49,18 @@
 
     # The version number as an array of cast values
     #
     # @return [Array<[Integer, String, NilClass]>]
     def to_a
-      [major, minor, patch, pre]
+      @to_a ||= [major, minor, patch, pre]
     end
 
     private
 
     # The version number as an array of strings
     #
     # @return [Array<String>]
     def _to_a
-      self::VERSION.split('.')
+      @_to_a = self::VERSION.split('.')
     end
   end
 end