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annotate gcc/testsuite/g++.dg/cpp0x/sfinae32.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 // PR c++/51989
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2 // { dg-do compile { target c++11 } }
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3
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4 template <typename T>
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5 struct is_container
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6 {
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7 template <typename U, typename V = decltype(((U*)0)->begin())>
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8 static char test(U* u);
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9
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10 template <typename U> static long test(...);
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11
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12 enum { value = sizeof test<T>(0) == 1 };
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13 };
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14
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15 int main()
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16 {
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17 return is_container<void>::value;
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18 }