Use C++11 'nullptr' where applicable.

[ginac.git] / ginac / operators.cpp

diff --git a/ginac/operators.cpp b/ginac/operators.cpp
index 9f81e2e50a25026dd4549ce8c5372239fda727f6..eb8566c3457f055150376e3ff2e6ba806abb6b4b 100644 (file)
--- a/ginac/operators.cpp
+++ b/ginac/operators.cpp
@@ -289,8 +289,8 @@ static void my_ios_callback(std::ios_base::event ev, std::ios_base & s, int i)
        print_context *p = static_cast<print_context *>(s.pword(i));
        if (ev == std::ios_base::erase_event) {
                delete p;
-               s.pword(i) = 0;
-       } else if (ev == std::ios_base::copyfmt_event && p != 0)
+               s.pword(i) = nullptr;
+       } else if (ev == std::ios_base::copyfmt_event && p != nullptr)
                s.pword(i) = p->duplicate();
 }