added debug_output to WGI_VALUE

library/server/ewsgi/specification/request/wgi_value.e

@@ -7,6 +7,9 @@ note
 deferred class
 	WGI_VALUE
 
+inherit
+	DEBUG_OUTPUT
+
 convert
 	as_string: {READABLE_STRING_32, STRING_32}
 
@@ -29,6 +32,14 @@ feature -- Helper
 		deferred
 		end
 
+feature -- Status report
+
+	debug_output: STRING
+			-- String that should be displayed in debugger to represent `Current'.
+		do
+			create Result.make_from_string (name.as_string_8 + "=" + as_string.as_string_8)
+		end
+
 feature -- Query
 
 	as_string: STRING_32