--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/join/join.hpp	Mon Aug 21 11:31:22 2017 +0200
@@ -0,0 +1,58 @@
+/*
+ * join.hpp -- join lists into a string
+ *
+ * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/**
+ * \file join.hpp
+ * \brief Join function
+ */
+
+/**
+ * Join values by a separator and return a string.
+ *
+ * \param first the first iterator
+ * \param last the last iterator
+ * \param delim the optional delimiter
+ * \return the string
+ */
+template <typename InputIt, typename DelimType = char>
+std::string join(InputIt first, InputIt last, DelimType delim = ':')
+{
+    std::ostringstream oss;
+
+    if (first != last) {
+        oss << *first;
+
+        while (++first != last)
+            oss << delim << *first;
+    }
+
+    return oss.str();
+}
+
+/**
+ * Convenient overload.
+ *
+ * \param list the initializer list
+ * \param delim the delimiter
+ * \return the string
+ */
+template <typename T, typename DelimType = char>
+inline std::string join(std::initializer_list<T> list, DelimType delim = ':')
+{
+    return join(list.begin(), list.end(), delim);
+}
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