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Diffstat (limited to 'src/leap/mail/utils.py')
-rw-r--r-- | src/leap/mail/utils.py | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/leap/mail/utils.py b/src/leap/mail/utils.py new file mode 100644 index 0000000..2480efc --- /dev/null +++ b/src/leap/mail/utils.py @@ -0,0 +1,29 @@ +# -*- 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 |