| 3 | |
| 4 | template <typename Range> |
| 5 | constexpr bool recursiveSymmetric(Range const &range) |
| 6 | { |
| 7 | using namespace matchit; |
| 8 | Id<int32_t> i; |
| 9 | Id<SubrangeT<Range const>> subrange; |
| 10 | return match(range)( |
| 11 | // clang-format off |
| 12 | pattern | ds(i, subrange.at(ooo), i) = [&] { return recursiveSymmetric(*subrange); }, |
| 13 | pattern | ds(_, ooo, _) = expr(false), |
| 14 | pattern | _ = expr(true) |
| 15 | // clang-format on |
| 16 | ); |
| 17 | } |
| 18 | |
| 19 | constexpr bool symmetricArray(std::array<int32_t, 5> const &arr) |
| 20 | { |