had to fix the string hash for opal

2016-12-28 13:53:57 +02:00 · 2016-12-28 13:53:57 +02:00 · a8f3d5a634
commit a8f3d5a634
parent 4940bc41a3
1 changed files with 10 additions and 2 deletions
--- a/lib/typed/parfait/type.rb
+++ b/lib/typed/parfait/type.rb
@ -61,9 +61,17 @@ module Parfait
    end

    def self.str_hash(str)
-      str = str.hash
+      if RUBY_ENGINE == "OPAL"
+        hash = 5381
+        str.to_s.each_char do |c|
+          hash = ((hash << 5) + hash) + c.to_i; # hash * 33 + c  without getting bignums
+        end
+        hash % (2 ** 51)
+      else
+        str.hash
+      end
    end
-    
+
    def initialize( object_class , hash = {})
      super()
      private_add_instance_variable :type ,:Type