23 General utilities library [utilities]
class bad_variant_access : public exception {
public:
bad_variant_access() noexcept;
const char* what() const noexcept override;
};
Objects of type
bad_variant_access are thrown to report invalid
accesses to the value of a
variant object
. bad_variant_access() noexcept;
Constructs a
bad_variant_access object
.const char* what() const noexcept override;
Returns: An
implementation-defined
ntbs.