File: p3.cpp

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (19 lines) | stat: -rw-r--r-- 879 bytes parent folder | download | duplicates (27) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
// RUN: %clang_cc1 -fsyntax-only -std=c++14 %s -verify
// RUN: %clang_cc1 -fsyntax-only -std=c++17 %s -verify

void test_nonaggregate(int i) {
  auto lambda = [i]() -> void {}; // expected-note 2{{candidate constructor}}
  decltype(lambda) foo = { 1 }; // expected-error{{no matching constructor}}
  static_assert(__is_literal(decltype(lambda)) == (__cplusplus >= 201703L), "");

  auto lambda2 = []{}; // expected-note 2{{candidate constructor}}
  decltype(lambda2) bar = {}; // expected-error{{no matching constructor}}
  static_assert(__is_literal(decltype(lambda2)) == (__cplusplus >= 201703L), "");
}

constexpr auto literal = []{};
#if __cplusplus < 201703L
// expected-error@-2 {{constexpr variable cannot have non-literal type}}
// expected-note@-3 {{lambda closure types are non-literal types before C++17}}
#endif