19 Diagnostics library [diagnostics]

19.5 System error support [syserr]

19.5.6 Comparison operator functions [syserr.compare]

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bool operator=(const error_code& lhs, const error_code& rhs) noexcept;
1
#
Returns: lhs.category() == rhs.category() && lhs.value() == rhs.value()
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bool operator=(const error_code& lhs, const error_condition& rhs) noexcept;
2
#
Returns: lhs.category().equivalent(lhs.value(), rhs) || rhs.category().equivalent(lhs, rhs.value()
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bool operator=(const error_condition& lhs, const error_condition& rhs) noexcept;
3
#
Returns: lhs.category() == rhs.category() && lhs.value() == rhs.value()
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strong_ordering operator<=>(const error_code& lhs, const error_code& rhs) noexcept;
4
#
Effects: Equivalent to: if (auto c = lhs.category() <=> rhs.category(); c != 0) return c; return lhs.value() <=> rhs.value();
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strong_ordering operator<=>(const error_condition& lhs, const error_condition& rhs) noexcept;
5
#
Returns: if (auto c = lhs.category() <=> rhs.category(); c != 0) return c; return lhs.value() <=> rhs.value();

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