26 lines · cpp
1// RUN: %clang_cc1 -std=c++2c -verify -fsyntax-only %s2 3template <unsigned N>4void decompose_array() {5 int arr[4] = {1, 2, 3, 5};6 auto [x, ... // #17 rest, ...more_rest] = arr; // expected-error{{multiple packs in structured binding declaration}}8 // expected-note@#1{{previous binding pack specified here}}9 10 auto [y...] = arr; // expected-error{{'...' must immediately precede declared identifier}}11 12 auto [...] = arr; // #213 // expected-error@#2{{expected identifier}}14 // expected-error@#2{{{no names were provided}}}15 // expected-warning@#2{{{does not allow a structured binding group to be empty}}}16 auto [a, ..., b] = arr; // #317 // expected-error@#3{{expected identifier}}18 // expected-error@#3{{{only 1 name was provided}}}19 auto [a1, ...] = arr; // #420 // expected-error@#4{{expected identifier}}21 // expected-error@#4{{{only 1 name was provided}}}22 auto [..., b] = arr; // #523 // expected-error@#5{{expected identifier}}24 // expected-error@#5{{{no names were provided}}}25}26