This file is indexed.

/usr/include/cvc4/expr/chain.h is in libcvc4-dev 1.5-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/*********************                                                        */
/*! \file chain.h
 ** \verbatim
 ** Top contributors (to current version):
 **   Morgan Deters, Paul Meng
 ** This file is part of the CVC4 project.
 ** Copyright (c) 2009-2017 by the authors listed in the file AUTHORS
 ** in the top-level source directory) and their institutional affiliations.
 ** All rights reserved.  See the file COPYING in the top-level source
 ** directory for licensing information.\endverbatim
 **
 ** \brief [[ Add one-line brief description here ]]
 **
 ** [[ Add lengthier description here ]]
 ** \todo document this file
 **/

#include <cvc4/cvc4_public.h>

#ifndef __CVC4__CHAIN_H
#define __CVC4__CHAIN_H

#include <cvc4/expr/kind.h>
#include <iostream>

namespace CVC4 {

/** A class to represent a chained, built-in operator. */
class CVC4_PUBLIC Chain {
  Kind d_kind;
public:
  explicit Chain(Kind k) : d_kind(k) { }
  bool operator==(const Chain& ch) const { return d_kind == ch.d_kind; }
  bool operator!=(const Chain& ch) const { return d_kind != ch.d_kind; }
  Kind getOperator() const { return d_kind; }
};/* class Chain */

inline std::ostream& operator<<(std::ostream& out, const Chain& ch) CVC4_PUBLIC;
inline std::ostream& operator<<(std::ostream& out, const Chain& ch) {
  return out << ch.getOperator();
}

struct CVC4_PUBLIC ChainHashFunction {
  size_t operator()(const Chain& ch) const {
    return kind::KindHashFunction()(ch.getOperator());
  }
};/* struct ChainHashFunction */

}/* CVC4 namespace */

#endif  /* __CVC4__CHAIN_H */