From d0f10779f9a70cbeec640d79d428845f4c9bbb4b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sybren=20A=2E=20St=C3=BCvel?= <sybren@stuvel.eu>
Date: Fri, 3 Nov 2017 14:32:13 +0100
Subject: [PATCH] Added useful 'string' alias to attrs_extra

---
 pillar/attrs_extra.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pillar/attrs_extra.py b/pillar/attrs_extra.py
index cec464af..fd6187bc 100644
--- a/pillar/attrs_extra.py
+++ b/pillar/attrs_extra.py
@@ -1,9 +1,12 @@
 """Extra functionality for attrs."""
 
+import functools
 import logging
 
 import attr
 
+string = functools.partial(attr.ib, validator=attr.validators.instance_of(str))
+
 
 def log(name):
     """Returns a logger attr.ib