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Update documentation for constant()

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Mark Story
2013-01-10 23:40:58 -05:00
parent cb921ce602
commit c7dafb7e20
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doc/functions/constant.rst
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@@ -1,9 +1,18 @@
``constant`` ``constant``
============ ============
.. versionadded: 1.13
constant() now accepts object instances as the second argument.
``constant`` returns the constant value for a given string: ``constant`` returns the constant value for a given string:
.. code-block:: jinja .. code-block:: jinja
{{ some_date|date(constant('DATE_W3C')) }} {{ some_date|date(constant('DATE_W3C')) }}
{{ constant('Namespace\\Classname::CONSTANT_NAME') }} {{ constant('Namespace\\Classname::CONSTANT_NAME') }}
As of 1.13 you can read constants from object instances as well:
.. code-block:: jinja
{{ constant('RSS', date) }}