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[ginac.git] / ginac / ex.cpp

diff --git a/ginac/ex.cpp b/ginac/ex.cpp
index 2fdedfecbf97dabef5af7ee1cacd41f590533e10..73a3ba79239e7b8b34ba111416110c6b66f8430d 100644 (file)
--- a/ginac/ex.cpp
+++ b/ginac/ex.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's light-weight expression handles. */
 
 /*
- *  GiNaC Copyright (C) 1999-2016 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2019 Johannes Gutenberg University Mainz, Germany
  *
  *  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
@@ -123,7 +123,7 @@ ex ex::subs(const lst & ls, const lst & lr, unsigned options) const
 
        // Convert the lists to a map
        exmap m;
-       for (lst::const_iterator its = ls.begin(), itr = lr.begin(); its != ls.end(); ++its, ++itr) {
+       for (auto its = ls.begin(), itr = lr.begin(); its != ls.end(); ++its, ++itr) {
                m.insert(std::make_pair(*its, *itr));
 
                // Search for products and powers in the expressions to be substituted