1``constant`` 2============ 3 4.. versionadded: 1.13.1 5 constant now accepts object instances as the second argument. 6 7``constant`` checks if a variable has the exact same value as a constant. You 8can use either global constants or class constants: 9 10.. code-block:: jinja 11 12 {% if post.status is constant('Post::PUBLISHED') %} 13 the status attribute is exactly the same as Post::PUBLISHED 14 {% endif %} 15 16You can test constants from object instances as well: 17 18.. code-block:: jinja 19 20 {% if post.status is constant('PUBLISHED', post) %} 21 the status attribute is exactly the same as Post::PUBLISHED 22 {% endif %} 23