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annotate gcc/testsuite/g++.dg/concepts/req18.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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131
84e7813d76e9 gcc-8.2
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1 // { dg-do compile { target c++17 } }
84e7813d76e9 gcc-8.2
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2 // { dg-options "-fconcepts" }
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3
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4 template <class> struct all_same {
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5 static constexpr bool value = 1;
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6 };
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7 template <class T> concept bool Assignable
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8 = requires(T t)
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9 {
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10 requires all_same<decltype(t = 0)>::value;
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11 };
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12
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13 template <class I> requires !Assignable<I>
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14 int dispatch();
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15 template <Assignable>
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16 void dispatch();
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17
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18 int main() { dispatch<int *>(); }