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std::future_errc - cppreference.com

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Elemento definito nell'header

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enum class future_errc { broken_promise, future_already_retrieved, promise_already_satisfied, no_state };

(dal C++11)

The scoped enumeration std::future_errc defines the error codes reported by std::future and related classes in std::future_error exception objects. Only four error codes are required, although the implementation may define additional error codes. Because the appropriate specialization of std::is_error_code_enum is provided, values of type std::future_errc are implicitly convertible to std::error_code.

Membri costanti

Constant

Original:

Constant

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Explanation
broken_promise the asynchronous task abandoned its shared state
future_already_retrieved the contents of shared state were already accessed through std::future
promise_already_satisfied attempt to store a value in the shared state twice
no_state attempt to access std::promise or std::future without an associated shared state

Helper classi

Non membri funzioni

Esempio

Vedi anche

in possesso di un dipendente dalla piattaforma codice di errore

Original:

holds a platform-dependent error code

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(classe) [modifica]

contiene un codice di errore portatile

Original:

holds a portable error code

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