std::experi...al::nonesuch(3) C++ Standard Libary std::experi...al::nonesuch(3) NAME std::experimental::nonesuch - std::experimental::nonesuch Synopsis Defined in header <experimental/type_traits> struct nonesuch { ~nonesuch() = delete; nonesuch(nonesuch const&) = delete; (library fundamentals TS v2) void operator=(nonesuch const&) = delete; }; std::experimental::nonesuch is a class type used by std::experimen- tal::detected_t to indicate detection failure. nonesuch has no default constructor or initializer-list constructor, and is not an aggregate. Notes nonesuch cannot be constructed, destroyed, or copied. Defect reports The following behavior-changing defect reports were applied retroac- tively to previously published C++ standards. DR Applied to Behavior as published Correct behavior LWG 2960 LFTSv2 nonesuch may be an aggregate and has an made non- aggregate and implicit conversion sequence from {} removed ICS http://cppreference.com 2024.06.10 std::experi...al::nonesuch(3)
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