28 lines
1.4 KiB
C++
28 lines
1.4 KiB
C++
// RUN: %clang_cc1 -std=c++2a -verify %s
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struct Good {
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int operator<=>(const Good&) const;
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bool operator<(const Good&) const = default;
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bool operator>(const Good&) const = default;
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friend bool operator<=(const Good&, const Good&) = default;
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friend bool operator>=(const Good&, const Good&) = default;
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};
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enum Bool : bool {};
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struct Bad {
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bool &operator<(const Bad&) const = default; // expected-error {{return type for defaulted relational comparison operator must be 'bool', not 'bool &'}}
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const bool operator>(const Bad&) const = default; // expected-error {{return type for defaulted relational comparison operator must be 'bool', not 'const bool'}}
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friend Bool operator<=(const Bad&, const Bad&) = default; // expected-error {{return type for defaulted relational comparison operator must be 'bool', not 'Bool'}}
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friend int operator>=(const Bad&, const Bad&) = default; // expected-error {{return type for defaulted relational comparison operator must be 'bool', not 'int'}}
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};
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template<typename T> struct Ugly {
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T operator<(const Ugly&) const = default; // expected-error {{return type}}
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T operator>(const Ugly&) const = default; // expected-error {{return type}}
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friend T operator<=(const Ugly&, const Ugly&) = default; // expected-error {{return type}}
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friend T operator>=(const Ugly&, const Ugly&) = default; // expected-error {{return type}}
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};
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template struct Ugly<bool>;
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template struct Ugly<int>; // expected-note {{in instantiation of}}
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