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111
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1 // { dg-do compile { target c++11 } }
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2 template<template<int, int> class Meta, int Initial, int... Values>
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3 struct accumulate {
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4 static const int value = Initial;
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5 };
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6
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7 template<template<int, int> class Meta, int Initial, int Value, int... Rest>
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8 struct accumulate<Meta, Initial, Value, Rest...> {
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9 static const int value =
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10 Meta<Value, accumulate<Meta, Initial, Rest...>::value>::value;
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11 };
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12
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13 template<int X, int Y>
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14 struct sum {
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15 static const int value = X + Y;
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16 };
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17
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18 template<int X, int Y>
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19 struct prod {
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20 static const int value = X * Y;
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21 };
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22
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23 int a0[accumulate<sum,0,1,2,3,4,5>::value == 15? 1 : -1];
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24 int a1[accumulate<prod,1,1,2,3,4,5>::value == 120? 1 : -1];
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