From: Jean-Paul Pelteret <jppelteret@gmail.com>
Date: Thu, 2 May 2019 17:31:34 +0000 (+0200)
Subject: Add a convenience function to make IteratorRange objects
X-Git-Tag: v9.1.0-rc1~126^2~4
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1bb0f116bb1787dc35ab528982794e1a61ff2a18;p=dealii.git

Add a convenience function to make IteratorRange objects
---

diff --git a/include/deal.II/base/iterator_range.h b/include/deal.II/base/iterator_range.h
index d2b054cb78..a90266a88c 100644
--- a/include/deal.II/base/iterator_range.h
+++ b/include/deal.II/base/iterator_range.h
@@ -19,6 +19,8 @@
 
 #include <deal.II/base/config.h>
 
+#include <deal.II/base/template_constraints.h>
+
 #include <iterator>
 
 
@@ -251,6 +253,23 @@ private:
 };
 
 
+
+/**
+ * Create an object of type IteratorRange given the beginning and
+ * end iterator.
+ *
+ * @author Jean-Paul Pelteret, 2019
+ */
+template <typename BaseIterator>
+IteratorRange<BaseIterator>
+make_iterator_range(const BaseIterator &                         begin,
+                    const typename identity<BaseIterator>::type &end)
+{
+  IteratorRange<BaseIterator> ir(begin, end);
+  return ir;
+}
+
+
 // ------------------- template member functions