定义于头文件
<system_error>
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bool operator==( const error_condition& lhs, const error_condition& rhs ) noexcept;
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(1) | (C++11 起) |
bool operator==( const error_code& lhs, const error_condition& rhs ) noexcept;
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(2) | (C++11 起) |
bool operator==( const error_condition& lhs, const error_code& rhs ) noexcept;
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(2) | (C++11 起) |
bool operator!=( const error_condition& lhs, const error_condition& rhs ) noexcept;
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(3) | (C++11 起) |
bool operator!=( const error_code& lhs, const error_condition& rhs ) noexcept;
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(4) | (C++11 起) |
bool operator!=( const error_condition& lhs, const error_code& rhs ) noexcept;
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(4) | (C++11 起) |
bool operator<( const error_condition& lhs, const error_condition& rhs ) noexcept;
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(5) | (C++11 起) |
比较二个 error_condition 。
lhs
与 rhs
是否相等。lhs
与 rhs
是否不相等。lhs
是否小于 rhs
。lhs, rhs | - | 要比较的 error_conditions |