43 lines
732 B
Plaintext
43 lines
732 B
Plaintext
indexing
|
|
description: "JSON Null Values"
|
|
author: "Javier Velilla"
|
|
date: "2008/08/24"
|
|
revision: "Revision 0.1"
|
|
|
|
class
|
|
JSON_NULL
|
|
|
|
inherit
|
|
JSON_VALUE
|
|
|
|
feature --Access
|
|
|
|
hash_code: INTEGER is
|
|
-- Hash code value
|
|
do
|
|
Result := null_value.hash_code
|
|
end
|
|
|
|
feature -- Visitor pattern
|
|
|
|
accept (a_visitor: JSON_VISITOR) is
|
|
-- Accept `a_visitor'.
|
|
-- (Call `visit_element_a' procedure on `a_visitor'.)
|
|
do
|
|
a_visitor.visit_json_null (Current)
|
|
end
|
|
|
|
feature -- Status report
|
|
|
|
debug_output: STRING
|
|
-- String that should be displayed in debugger to represent `Current'.
|
|
do
|
|
Result := null_value
|
|
end
|
|
|
|
feature {NONE}-- Implementation
|
|
|
|
null_value: STRING is "null"
|
|
|
|
end
|