tmp/tmp2egcwql6/{from.md → to.md}
RENAMED
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@@ -1,29 +1,31 @@
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#### Class `error_code` overview <a id="syserr.errcode.overview">[[syserr.errcode.overview]]</a>
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The class `error_code` describes an object used to hold error code
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values, such as those originating from the operating system or other
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low-level application program interfaces.
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-
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``` cpp
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namespace std {
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class error_code {
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public:
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// [syserr.errcode.constructors] constructors
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error_code() noexcept;
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error_code(int val, const error_category& cat) noexcept;
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template <class ErrorCodeEnum>
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error_code(ErrorCodeEnum e) noexcept;
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// [syserr.errcode.modifiers] modifiers
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void assign(int val, const error_category& cat) noexcept;
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template <class ErrorCodeEnum>
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error_code& operator=(ErrorCodeEnum e) noexcept;
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void clear() noexcept;
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// [syserr.errcode.observers] observers
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int value() const noexcept;
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const error_category& category() const noexcept;
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error_condition default_error_condition() const noexcept;
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string message() const;
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explicit operator bool() const noexcept;
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@@ -31,15 +33,14 @@ namespace std {
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private:
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int val_; // exposition only
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const error_category* cat_; // exposition only
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};
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// [syserr.errcode.nonmembers] non-member functions
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error_code make_error_code(errc e) noexcept;
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bool operator<(const error_code& lhs, const error_code& rhs) noexcept;
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template <class charT, class traits>
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os, const error_code& ec);
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}
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```
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#### Class `error_code` overview <a id="syserr.errcode.overview">[[syserr.errcode.overview]]</a>
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The class `error_code` describes an object used to hold error code
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values, such as those originating from the operating system or other
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low-level application program interfaces.
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+
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[*Note 1*: Class `error_code` is an adjunct to error reporting by
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exception. — *end note*]
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``` cpp
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namespace std {
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class error_code {
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public:
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// [syserr.errcode.constructors], constructors
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error_code() noexcept;
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error_code(int val, const error_category& cat) noexcept;
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template <class ErrorCodeEnum>
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error_code(ErrorCodeEnum e) noexcept;
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// [syserr.errcode.modifiers], modifiers
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void assign(int val, const error_category& cat) noexcept;
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template <class ErrorCodeEnum>
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error_code& operator=(ErrorCodeEnum e) noexcept;
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void clear() noexcept;
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// [syserr.errcode.observers], observers
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int value() const noexcept;
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const error_category& category() const noexcept;
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error_condition default_error_condition() const noexcept;
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string message() const;
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explicit operator bool() const noexcept;
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private:
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int val_; // exposition only
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const error_category* cat_; // exposition only
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};
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// [syserr.errcode.nonmembers], non-member functions
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error_code make_error_code(errc e) noexcept;
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template <class charT, class traits>
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os, const error_code& ec);
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}
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```
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