35 lines · cpp
1// RUN: %clang_cc1 -std=c++1z -verify %s -Wpedantic2 3struct X {4 X(int);5 X(const X&) = delete;6};7 8int array() {9 static int arr[3] = {};10 auto [a, b, c] = arr;11 static_assert(&a != &arr[0]);12 13 using I3 = int[3];14 auto [a2, b2, c2] = I3{1, 2, 3};15 16 using X3 = X[3];17 auto [a3, b3, c3] = X3{1, 2, 3};18 19 auto &[d, e] = arr; // expected-error {{type 'int[3]' binds to 3 elements, but only 2 names were provided}}20 auto &[f, g, h, i] = arr; // expected-error {{type 'int[3]' binds to 3 elements, but 4 names were provided}}21 22 auto &[r0, r1, r2] = arr;23 const auto &[cr0, cr1, cr2] = arr;24 25 static_assert(&arr[0] == &r0);26 static_assert(&arr[0] == &cr0);27 28 using T = int;29 using T = decltype(r0);30 using U = const int;31 using U = decltype(cr0);32 33 return r1 + cr2;34}35