1 files changed, 10 insertions, 0 deletions
diff --git a/mrblib/error.rb b/mrblib/error.rb
index 32b50da92..9e5a3daeb 100644
--- a/mrblib/error.rb
+++ b/mrblib/error.rb
@@ -38,6 +38,16 @@ end
 
 # ISO 15.2.31
 class NameError < StandardError
+  attr_accessor :name
+
+  def new(message="NameError", name=nil)
+    initialize(message, name)
+  end
+
+  def initialize(message=nil, name=nil)
+    @name = name
+    super(message)
+  end
 end
 
 # ISO 15.2.32