Commit 18e9821c authored by Dominik Charousset's avatar Dominik Charousset

Make hook ctor explicit

parent 9aa81913
......@@ -44,7 +44,7 @@ using hook_uptr = std::unique_ptr<hook>;
/// Interface to define hooks into the IO layer.
class hook {
public:
hook(actor_system& sys);
explicit hook(actor_system& sys);
virtual ~hook();
......
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