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111
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1 // { dg-do run { target c++11 } }
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2
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3 #include <cassert>
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4
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5 template<bool, typename _Tp = void> struct enable_if { };
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6 template<typename _Tp> struct enable_if<true, _Tp> { typedef _Tp type; };
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7
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8
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9 template <char... c>
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10 constexpr typename enable_if<sizeof...(c) == 2, int>::type operator""_t ()
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11 {
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12 return 2;
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13 }
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14
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15 template <char... c>
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16 constexpr typename enable_if<sizeof...(c) == 1, int>::type operator""_t ()
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17 {
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18 return 1;
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19 }
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20
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21 template <char... c>
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22 constexpr typename enable_if<sizeof...(c) >= 3, int>::type operator""_t ()
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23 {
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24 return 100;
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25 }
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26
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27 int operator""_t (long double)
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28 {
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29 return 200;
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30 }
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31
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32 int main ()
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33 {
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34 assert (45_t == 2);
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35 assert (4_t == 1);
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36 assert (100000_t == 100);
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37 assert (200.0_t == 200);
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38 }
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