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use template_filter without parens

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kadai0308 2025-05-17 12:17:18 +08:00 • committed by David Lord
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docs/templating.rst
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@ -145,7 +145,11 @@ that. You can either put them by hand into the
:attr:`~flask.Flask.jinja_env` of the application or use the
:meth:`~flask.Flask.template_filter` decorator.
The two following examples work the same and both reverse an object::
The following examples work the same and all reverse an object::
@app.template_filter # use the function name as filter name
def reverse_filter(s):
return s[::-1]
@app.template_filter('reverse')
def reverse_filter(s):