Avoid "instantiation of variable 'reg_info' required..." warning.

[ginac.git] / ginac / exprseq.h

diff --git a/ginac/exprseq.h b/ginac/exprseq.h
index 225943b197f05fbd8c5a21074b53e50cae413e20..d7e78385accfd167551437914bef2d09d74e3d5a 100644 (file)
--- a/ginac/exprseq.h
+++ b/ginac/exprseq.h
@@ -3,7 +3,7 @@
  *  Definition of GiNaC's exprseq. */
 
 /*
- *  GiNaC Copyright (C) 1999-2014 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2021 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
@@ -31,6 +31,9 @@ namespace GiNaC {
 
 typedef container<std::vector> exprseq;
 
+/** Definition of container::reg_info for exprseq. */
+template<> registered_class_info exprseq::reg_info;
+
 // defined in exprseq.cpp
 template<> bool exprseq::info(unsigned inf) const;