diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr4.C')
-rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr4.C | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr4.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr4.C new file mode 100644 index 000000000..697d2d9f7 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr4.C @@ -0,0 +1,23 @@ +// { dg-options -std=c++0x } + +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"); + |