From 90a8a8b981c1709783db1b9457040ab09d76187b Mon Sep 17 00:00:00 2001
From: Amir Mohammadi <183.amir@gmail.com>
Date: Thu, 20 Apr 2017 10:18:11 +0200
Subject: [PATCH] mention the  operator usage in documentation too

---
 bob/io/base/hdf5.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bob/io/base/hdf5.cpp b/bob/io/base/hdf5.cpp
index d909e54..ad8a823 100644
--- a/bob/io/base/hdf5.cpp
+++ b/bob/io/base/hdf5.cpp
@@ -301,7 +301,8 @@ static auto s_has_dataset = bob::extension::FunctionDoc(
   "Checks if a dataset exists inside a file",
   "Checks if a dataset exists inside a file, on the specified path. "
   "If the given path is relative, it is take w.r.t. to the current working directory.\n\n"
-  ".. note:: The functions :py:meth:`has_dataset` and :py:meth:`has_key` are synonyms.",
+  ".. note:: The functions :py:meth:`has_dataset` and :py:meth:`has_key` are synonyms. "
+  "You can also use the Python's ``in`` operator instead of :py:meth:`has_key`: ``key in hdf5file``.",
   true
 )
 .add_prototype("key")
-- 
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