qx::visit_overload< args_t > Struct Template Reference

#include <type_traits.h>

Inheritance diagram for qx::visit_overload< args_t >:

Detailed Description

template<class... args_t>
struct qx::visit_overload< args_t >

This struct allows to visit std::variant with lambdas

Note

https://www.cppstories.com/2018/09/visit-variants/

Template Parameters

args_t

- lambda types

struct Fluid { };
struct LightItem { };
struct HeavyItem { };
struct FragileItem { };
 
int main() {
    std::variant<Fluid, LightItem, HeavyItem, FragileItem> package;
 
    std::visit(qx::visit_overload
        {
            [](const Fluid& )     { std::cout << "fluid\n"; },
            [](const LightItem& ) { std::cout << "light item\n"; },
            [](const auto&)       { std::cout << "default\n"; }
        },
        package);
}

Definition at line 134 of file type_traits.h.

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The documentation for this struct was generated from the following file:

• include/qx/meta/type_traits.h