Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp1z/decomp11.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// Test for decltype of direct decomposition. // { dg-do compile { target c++17 } } template <class,class> struct same_type; template <class T> struct same_type<T,T> {}; struct A { int i; const int ci = 42; mutable int mi; int& r = i; const int& cr = ci; } a; void f() { auto [i,ci,mi,r,cr] = a; same_type<decltype(i),int>{}; same_type<decltype(ci),const int>{}; same_type<decltype(mi),int>{}; same_type<decltype(r),int&>{}; same_type<decltype(cr),const int&>{}; } void frr() { auto &&[i,ci,mi,r,cr] = a; same_type<decltype(i),int>{}; same_type<decltype(ci),const int>{}; same_type<decltype(mi),int>{}; same_type<decltype(r),int&>{}; same_type<decltype(cr),const int&>{}; } void fc() { const auto [i,ci,mi,r,cr] = a; same_type<decltype(i),const int>{}; same_type<decltype(ci),const int>{}; same_type<decltype(mi),int>{}; same_type<decltype(r),int&>{}; same_type<decltype(cr),const int&>{}; } void frc() { const A ca{}; auto &[i,ci,mi,r,cr] = ca; same_type<decltype(i),const int>{}; same_type<decltype(ci),const int>{}; same_type<decltype(mi),int>{}; same_type<decltype(r),int&>{}; same_type<decltype(cr),const int&>{}; }