[syserr.errcode.constructors] (original) (raw)

19 Diagnostics library [diagnostics]

19.5 System error support [syserr]

19.5.4 Class error_code [syserr.errcode]

19.5.4.2 Constructors [syserr.errcode.constructors]

Effects: Initializes val_ with 0and cat_ with &system_category().

error_code(int val, const error_category& cat) noexcept;

Effects: Initializes val_ with valand cat_ with &cat.

template<class ErrorCodeEnum> error_code(ErrorCodeEnum e) noexcept;

Effects: Equivalent to:error_code ec = make_error_code(e); assign(ec.value(), ec.category());