File: warn-unused-attribute.cpp

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (20 lines) | stat: -rw-r--r-- 472 bytes parent folder | download | duplicates (30) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
// RUN: %clang_cc1 -fsyntax-only -Wunused-variable -verify %s
struct __attribute__((warn_unused)) Test {
  Test();
  ~Test();
  void use();
};

struct TestNormal {
  TestNormal();
};

int main(void) {
  Test unused;         // expected-warning {{unused variable 'unused'}}
  Test used;
  TestNormal normal;
  used.use();

  int i __attribute__((warn_unused)) = 12; // expected-warning {{'warn_unused' attribute only applies to structs, unions, and classes}}
  return i;
}