cppdraft_translate/cppdraft/futures/future/error.md

[futures.future.error]

32 Concurrency support library [thread]

32.10 Futures [futures]

32.10.4 Class future_error [futures.future.error]

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namespace std {class future_error : public logic_error {public:explicit future_error(future_errc e); const error_code& code() const noexcept; const char* what() const noexcept; private: error_code ec_; // exposition only};}

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explicit future_error(future_errc e);

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Effects: Initializes ec_ with make_error_code(e).

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const error_code& code() const noexcept;

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Returns: ec_.

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const char* what() const noexcept;

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Returns: An ntbs incorporating code().message().