| 1 | // RUN: %clang_cc1 -verify %s |
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| 2 | |
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| 3 | namespace deduce_pack_non_pack { |
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| 4 | template <typename...> class A; |
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| 5 | template <typename> struct C {}; |
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| 6 | template <typename T> void g(C<A<T>>); // expected-note {{candidate template ignored: deduced type 'C<A<[...], (no argument)>>' of 1st parameter does not match adjusted type 'C<A<[...], int>>' of argument [with T = bool]}} |
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| 7 | void h(C<A<bool, int>> &x) { g(x); } // expected-error {{no matching function}} |
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| 8 | } |
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| 9 | |
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| 10 | namespace pr39231 { |
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| 11 | template<typename T, T ...V> struct integer_sequence {}; |
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| 12 | |
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| 13 | template <typename T, T... A, T... B> |
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| 14 | int operator^(integer_sequence<T, A...> a, // expected-note {{deduced conflicting values for parameter 'A' (<1, 2, 3> vs. <4, 5, 6>)}} |
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| 15 | integer_sequence<T, A...> b); |
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| 16 | |
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| 17 | int v = integer_sequence<int, 1, 2, 3>{} ^ integer_sequence<int, 4, 5, 6>{}; // expected-error {{invalid operands}} |
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| 18 | |
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| 19 | template <typename T, T... A, T... B> |
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| 20 | integer_sequence<T, A + B...> operator+(integer_sequence<T, A...> a, |
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| 21 | integer_sequence<T, B...> b); |
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| 22 | integer_sequence<int, 5, 7, 9> w = |
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| 23 | integer_sequence<int, 1, 2, 3>{} + integer_sequence<int, 4, 5, 6>{}; |
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| 24 | } |
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| 25 | |
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