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changed default filter to use the empty test

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Fabien Potencier
2010-12-18 12:56:44 +01:00
parent 4fbbad44f1
commit 583718ee1a
4 changed files with 16 additions and 5 deletions
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doc/templates.rst
+11 -2
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@@ -1263,11 +1263,20 @@ The ``..`` operator (see above) is a syntactic sugar for the ``range`` filter
~~~~~~~~~~~
The ``default`` filter returns the passed default value if the value is
undefined, otherwise the value of the variable:
undefined or empty, otherwise the value of the variable:
.. code-block:: jinja
{{ my_variable|default('my_variable is not defined') }}
{{ var|default('var is not defined') }}
{{ var.foo|default('foo item on var is not defined') }}
{{ ''|default('passed var is empty') }}
.. note::
Read the documentation for the ``defined`` and ``empty`` tests below to
learn more about their semantics.
``keys``
~~~~~~~~