Mission Impossible / How to create datatypes which cannot contain invalid state

adrianimboden

9,974 views

01 Introduction

Introduction

02 Enums

Enums - Overview Enums - Hands On Enums - Example Solution

03 Optional

Optional - Overview Optional - Hands On Optional - Example Solution

04 Variant

Variant - Overview Variant - Hands On Variant - Example Solution

05 Final

Final - Hands On Final - Example Solution

Previous: Variant - Hands On Next: Final - Hands On

Possible solution

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// { autofold
#include <iostream>
#include <variant>
// likely part of C++20
template <class... Ts>
struct overloaded : Ts... {
    using Ts::operator()...;
};
template <class... Ts>
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

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