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``constant`` ============ ``constant`` checks if a variable has the exact same value as a constant. You can use either global constants or class constants: .. code-block:: jinja {% if post.status is constant('Post::PUBLISHED') %} the status attribute is exactly the same as Post::PUBLISHED {% endif %} You can test constants from object instances as well: .. code-block:: jinja {% if post.status is constant('PUBLISHED', post) %} the status attribute is exactly the same as Post::PUBLISHED {% endif %}