33 lines · cpp
1// RUN: %clang_cc1 -std=c++11 %s -verify -Wno-c++14-extensions2 3class X0 {4 void explicit_capture() {5 int foo;6 7 (void)[foo, foo] () {}; // expected-error {{'foo' can appear only once}}8 (void)[this, this] () {}; // expected-error {{'this' can appear only once}}9 (void)[=, foo] () {}; // expected-error {{'&' must precede a capture when}}10 (void)[=, &foo] () {};11 (void)[=, this] () {}; // expected-warning {{C++20 extension}}12 (void)[&, foo] () {};13 (void)[&, &foo] () {}; // expected-error {{'&' cannot precede a capture when}} 14 (void)[&, this] () {};15 }16};17 18struct S2 { 19 void f(int i); 20 void g(int i);21};22 23void S2::f(int i) {24 (void)[&, i]{ };25 (void)[&, &i]{ }; // expected-error{{'&' cannot precede a capture when the capture default is '&'}}26 (void)[=, this]{ }; // expected-warning{{C++20 extension}}27 (void)[=]{ this->g(i); };28 (void)[i, i]{ }; // expected-error{{'i' can appear only once in a capture list}}29 (void)[i(0), i(1)]{ }; // expected-error{{'i' can appear only once in a capture list}}30 (void)[i, i(1)]{ }; // expected-error{{'i' can appear only once in a capture list}}31 (void)[i(0), i]{ }; // expected-error{{'i' can appear only once in a capture list}}32}33