unique enum values (#250)

joeldrapper · Dec 5, 2024 · 63dcaf9 · 63dcaf9
1 parent d816911
commit 63dcaf9
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/literal/enum.rb b/lib/literal/enum.rb
@@ -77,6 +77,9 @@ def const_added(name)
 			object = const_get(name)
 
 			if self === object
+				if @values.key?(object.value)
+					raise ArgumentError.new("The value #{object.value} is already used by #{@values[object.value].name}.")
+				end
 				object.instance_variable_set(:@name, name)
 				@values[object.value] = object
 				@members << object