Add explicit keyword to one-parameter constructors.

[simgrid.git] / include / xbt / functional.hpp

diff --git a/include/xbt/functional.hpp b/include/xbt/functional.hpp
index 64c3caa..dde3b7e 100644 (file)
--- a/include/xbt/functional.hpp
+++ b/include/xbt/functional.hpp
@@ -171,7 +171,7 @@ private:
 
 public:
   Task() { /* Nothing to do */}
-  Task(std::nullptr_t) { /* Nothing to do */}
+  explicit Task(std::nullptr_t) { /* Nothing to do */}
   ~Task()
   {
     this->clear();