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

adrianimboden
7,756 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: Final - Hands On
Authentication Procedure
// { autofold
#include <boost/assert.hpp>
#include <optional>
#include <set>
#include <string>
#include <variant>
// likely part of C++20
template <class... Ts>
struct overloaded : Ts... {
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