[base.sliced] fix name()

21b3a5f6 · Dr. Felix Tobias Schindler · a8f751bb · 21b3a5f6
Commit 21b3a5f6 authored 6 years ago by Dr. Felix Tobias Schindler
--- a/dune/xt/functions/base/sliced.hh
+++ b/dune/xt/functions/base/sliced.hh
@@ -123,7 +123,7 @@ public:
                              << dims_[ii]);
  }

-  const std::string& name() const override final
+  std::string name() const override final
  {
    return name_.empty() ? "sliced " + function_.name() : name_;
  }