From: PinkFloyded <k.veneetreddy@gmail.com>
Date: Fri, 16 Nov 2018 23:33:46 +0000 (+0530)
Subject: Clarify that last filter doesn't work with generators
X-Git-Tag: 2.11.0~104^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F926%2Fhead;p=thirdparty%2Fjinja.git

Clarify that last filter doesn't work with generators
---

diff --git a/jinja2/filters.py b/jinja2/filters.py
index 6d3e463f..bf5173c1 100644
--- a/jinja2/filters.py
+++ b/jinja2/filters.py
@@ -440,7 +440,15 @@ def do_first(environment, seq):
 
 @environmentfilter
 def do_last(environment, seq):
-    """Return the last item of a sequence."""
+    """
+    Return the last item of a sequence.
+
+    Note: Does not work with generators. You may want to explicitly convert it to a list:
+
+    .. sourcecode:: jinja
+
+        {{ data | selectattr('name', '==', 'Jinja') | list | last }}
+    """
     try:
         return next(iter(reversed(seq)))
     except StopIteration: