Home | History | Annotate | Download | only in expr.prim.lambda
      1 // RUN: %clang_cc1 -std=c++11 %s -verify -Wno-c++1y-extensions
      2 
      3 class 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-error {{'this' cannot be explicitly captured}}
     12     (void)[&, foo] () {};
     13     (void)[&, &foo] () {}; // expected-error {{'&' cannot precede a capture when}}
     14     (void)[&, this] () {};
     15   }
     16 };
     17 
     18 struct S2 {
     19   void f(int i);
     20   void g(int i);
     21 };
     22 
     23 void 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-error{{'this' cannot be explicitly captured}}
     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