File: p8.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (32 lines) | stat: -rw-r--r-- 1,221 bytes parent folder | download | duplicates (21)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
// RUN: %clang_cc1 -std=c++11 %s -verify -Wno-c++14-extensions

class X0 {
  void explicit_capture() {
    int foo;

    (void)[foo, foo] () {}; // expected-error {{'foo' can appear only once}}
    (void)[this, this] () {}; // expected-error {{'this' can appear only once}}
    (void)[=, foo] () {}; // expected-error {{'&' must precede a capture when}}
    (void)[=, &foo] () {};
    (void)[=, this] () {}; // expected-warning {{C++20 extension}}
    (void)[&, foo] () {};
    (void)[&, &foo] () {}; // expected-error {{'&' cannot precede a capture when}} 
    (void)[&, this] () {};
  }
};

struct S2 { 
  void f(int i); 
  void g(int i);
};

void S2::f(int i) {
  (void)[&, i]{ };
  (void)[&, &i]{ }; // expected-error{{'&' cannot precede a capture when the capture default is '&'}}
  (void)[=, this]{ }; // expected-warning{{C++20 extension}}
  (void)[=]{ this->g(i); };
  (void)[i, i]{ }; // expected-error{{'i' can appear only once in a capture list}}
  (void)[i(0), i(1)]{ }; // expected-error{{'i' can appear only once in a capture list}}
  (void)[i, i(1)]{ }; // expected-error{{'i' can appear only once in a capture list}}
  (void)[i(0), i]{ }; // expected-error{{'i' can appear only once in a capture list}}
}