In Place Construction
Explore how to construct and set values in std::variant using in_place_type and in_place_index helpers. Understand their roles in resolving ambiguities and managing complex variant initialization.
We'll cover the following...
We'll cover the following...
std::variant and in_place helpers
std::variant has two in_place helpers that you can use:
• std::in_place_type - used to specify which type you want to change/set in the variant
• std::in_place_index ...