X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcommon%2Futil.h;h=cead16fadc0d5dafd56fa416ef467442bbf8d3e6;hp=63d724c996008712a0e53931d15a4175ad7d721b;hb=42ab7cc22c4702716db2b8bfa1d4545169f772e6;hpb=a0e333e994dce2d949a84930293382020e724596

diff --git a/src/common/util.h b/src/common/util.h
index 63d724c9..cead16fa 100644
--- a/src/common/util.h
+++ b/src/common/util.h
@@ -105,3 +105,27 @@ COMMON_EXPORT QString tryFormatUnixEpoch(const QString &possibleEpochDate,
  * @return Date/time in ISO 8601 format with timezone offset
  */
 COMMON_EXPORT QString formatDateTimeToOffsetISO(const QDateTime &dateTime);
+
+namespace detail {
+
+template<typename ...Args>
+struct SelectOverloadHelper
+{
+    template <typename R, typename C>
+    constexpr auto operator()(R(C::*func)(Args...)) const noexcept -> decltype(func) { return func; }
+};
+
+}  // detail
+
+/**
+ * Helper for resolving ambiguous overloads when using the member function-based connect syntax.
+ *
+ * Example usage:
+ * @code
+ * connect(this, selectOverload<int, QString>(&MyClass::mySignal), other, &Other::mySlot);
+ * @endcode
+ *
+ * @tparam Args Argument types of the desired signature
+ */
+template<typename ...Args>
+constexpr Q_DECL_UNUSED detail::SelectOverloadHelper<Args...> selectOverload = {};