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* g++.dg/cpp1y/lambda-generic.C: Remove libstdc++ dependency.

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From-SVN: r257001
This commit is contained in:
Jason Merrill 2018-01-23 16:24:01 -05:00
parent d78201d30c
commit ea070f267c
1 changed files with 5 additions and 4 deletions
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9
gcc/testsuite/g++.dg/cpp1y/lambda-generic.C
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@ -1,22 +1,23 @@
// Generic lambda test from N3690 5.1.2.5
// { dg-do compile { target c++14 } }
#include <iostream>
struct A { } cout;
template <class T> A& operator<<(A& a, T);
int main()
{
auto glambda = [](auto a, auto&& b) { return a < b; };
bool b = glambda(3, 3.14); // OK
auto vglambda = [](auto printer) {
return [=](auto&& ... ts) { // OK: ts is a function parameter pack
printer(std::forward<decltype(ts)>(ts)...);
return [=](auto ... ts) { // OK: ts is a function parameter pack
printer(ts ...);
return [=]() {
printer(ts ...);
};
};
};
auto p = vglambda( [](auto v1, auto v2, auto v3)
{ std::cout << v1 << v2 << v3; } );
{ cout << v1 << v2 << v3; } );
auto q = p(1, 'a', 3.14); // OK: outputs 1a3.14
q(); // OK: outputs 1a3.14
}