Boost C++ Libraries of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

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auto as_failure() &&

Return the output from free function auto failure(T &&, ...) containing a move from any errored state, thus leaving the result’s error value in a moved-from state. Depending on the choice of error_type, this function may therefore be destructive. The error state is accessed using error_type &&assume_error() && noexcept .

Requires: Always available.

Complexity: Whatever that of error_type’s move constructor is.

Guarantees: None.

Last revised: January 24, 2019 at 01:15:16 UTC

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