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authorKali Kaneko <kali@leap.se>2014-01-07 14:23:25 -0400
committerKali Kaneko <kali@leap.se>2014-01-08 20:40:42 -0400
commita203337d155a6e7186980ef175642adc91d472fe (patch)
tree4f4034707d4d33a90406b63872bf2d84bdea5256 /src/leap/mail/utils.py
parente1946f1653dbbb6fcf61569bc873ab061965664e (diff)
move utility to its own
Diffstat (limited to 'src/leap/mail/utils.py')
-rw-r--r--src/leap/mail/utils.py29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/leap/mail/utils.py b/src/leap/mail/utils.py
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+# -*- coding: utf-8 -*-
+# utils.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+"""
+Small utilities.
+"""
+
+
+def first(things):
+ """
+ Return the head of a collection.
+ """
+ try:
+ return things[0]
+ except (IndexError, TypeError):
+ return None