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-rw-r--r--src/lib/util/delegate.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/lib/util/delegate.h b/src/lib/util/delegate.h
index df1d6ebcba3..3c0745bf0c5 100644
--- a/src/lib/util/delegate.h
+++ b/src/lib/util/delegate.h
@@ -969,4 +969,13 @@ public:
}
};
+template <class FunctionClass, typename ReturnType, typename... Params>
+delegate(ReturnType (FunctionClass::*)(Params...), FunctionClass *) -> delegate<ReturnType (Params...)>;
+
+template <class FunctionClass, typename ReturnType, typename... Params>
+delegate(ReturnType (FunctionClass::*)(Params...) const, FunctionClass *) -> delegate<ReturnType (Params...)>;
+
+template <class FunctionClass, typename ReturnType, typename... Params>
+delegate(ReturnType (*)(FunctionClass &, Params...), FunctionClass *) -> delegate<ReturnType (Params...)>;
+
#endif // MAME_LIB_UTIL_DELEGATE_H