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std::nostopstate

From cppreference.com
< cpp‎ | thread‎ | stop source
 
 
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Defined in header <stop_token>
inline constexpr std::nostopstate_t nostopstate{};
(since C++20)

This is a constant object instance of std::nostopstate_t for use in constructing an empty std::stop_source, as a placeholder value in the non-default constructor.