57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
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// RUN: %clang_cc1 -std=c++2a %s -include %s -verify
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#ifndef INCLUDED
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#define INCLUDED
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#pragma clang system_header
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namespace std {
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namespace chrono {
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struct day{};
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struct year{};
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}
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constexpr chrono::day operator"" d(unsigned long long d) noexcept;
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constexpr chrono::year operator"" y(unsigned long long y) noexcept;
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}
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#else
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using namespace std;
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chrono::day dec_d = 5d;
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chrono::day oct_d = 05d;
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chrono::day bin_d = 0b011d;
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// expected-error@+3{{no viable conversion from 'int' to 'chrono::day'}}
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// expected-note@9{{candidate constructor (the implicit copy constructor)}}
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// expected-note@9{{candidate constructor (the implicit move constructor)}}
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chrono::day hex_d = 0x44d;
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chrono::year y = 10y;
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namespace ignore_class_udl_for_numeric_literals {
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struct A { constexpr A(const char*) {} };
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struct B { constexpr B(char); };
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struct C { constexpr C(int); };
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template<A> void operator""_a();
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template<B> void operator""_b();
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template<C> void operator""_c();
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void test_class_udl_1() {
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1_a; // expected-error {{no matching}}
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1_b; // expected-error {{no matching}}
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1_c; // expected-error {{no matching}}
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"1"_a;
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"1"_b; // expected-error {{no matching}}
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"1"_c; // expected-error {{no matching}}
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}
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template<char...> void operator""_a();
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template<char...> void operator""_b();
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template<char...> void operator""_c();
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void test_class_udl_2() {
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1_a;
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// FIXME: The standard appears to say these two are ambiguous!
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1_b;
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1_c;
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"1"_a;
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"1"_b; // expected-error {{no matching}}
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"1"_c; // expected-error {{no matching}}
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}
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}
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#endif
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