Drop unnecessary assignment

lib/haml/compiler.rb

@@ -5,8 +5,7 @@ class Compiler
     attr_accessor :options
 
     def initialize(options)
-      @options     = options
-      @options     = Options.new(options) unless options.is_a?(Options)
+      @options     = Options.wrap(options)
       @output_tabs = 0
       @to_merge    = []
       @precompiled = ''

lib/haml/options.rb

@@ -51,6 +51,14 @@ def self.buffer_option_keys
       @buffer_option_keys
     end
 
+    def self.wrap(options)
+      if options.is_a?(Options)
+        options
+      else
+        Options.new(options)
+      end
+    end
+
     # The character that should wrap element attributes. This defaults to `'`
     # (an apostrophe). Characters of this type within the attributes will be
     # escaped (e.g. by replacing them with `'`) if the character is an

lib/haml/parser.rb

@@ -89,9 +89,7 @@ class Parser
     CLASS_KEY = 'class'.freeze
 
     def initialize(options)
-      @options = options
-      @options = Options.new(options) unless options.is_a?(Options)
-
+      @options = Options.wrap(options)
       # Record the indent levels of "if" statements to validate the subsequent
       # elsif and else statements are indented at the appropriate level.
       @script_level_stack = []