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-rw-r--r--src/Globals.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/Globals.h b/src/Globals.h
index 7b488326f..bb512d89d 100644
--- a/src/Globals.h
+++ b/src/Globals.h
@@ -317,6 +317,26 @@ namespace cpp20
+/**
+You can use this struct to use in std::visit
+example:
+std::visit(
+ OverloadedVariantAccess
+ {
+ [&] (cFirstType & a_FirstTypeObject) { // Your code to handle cFirstType },
+ [&] (cSecondType & a_SecondTypeObject) { // YourCode to handle cSecondType },
+ ...
+ }
+, YourVariant);
+You can use constant references if you want to.
+*/
+template<class... Ts> struct OverloadedVariantAccess : Ts... { using Ts::operator()...; };
+template<class... Ts> OverloadedVariantAccess(Ts...)->OverloadedVariantAccess<Ts...>;
+
+
+
+
+
/** Clamp X to the specified range. */
template <typename T>
T Clamp(T a_Value, T a_Min, T a_Max)