Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr4.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-do compile { target c++11 } } constexpr const int do_last(const int* x, int n) { return x[n - 1]; } struct IsNegative { constexpr bool operator()(const int& x) { return x < 0; } }; template<int N, class Pred> constexpr bool has_neg(const int (&x)[N], Pred p) { return p(do_last(x, N)); // Line 13 } constexpr int a[] = {1, -2}; constexpr auto answer = has_neg(a, IsNegative{}); // Line 18 static_assert(answer, "Error");