libstdc++
sample_ranged_hash_fn.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc.
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11 // This library is distributed in the hope that it will be useful, but
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16 // Under Section 7 of GPL version 3, you are granted additional
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25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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35 
36 /**
37  * @file sample_ranged_hash_fn.hpp
38  * Contains a ranged hash policy.
39  */
40 
41 #ifndef PB_DS_SAMPLE_RANGED_HASH_FN_HPP
42 #define PB_DS_SAMPLE_RANGED_HASH_FN_HPP
43 
44 namespace __gnu_pbds
45 {
46  /// A sample ranged-hash functor.
48  {
49  public:
50  typedef std::size_t size_type;
51 
52  /// Default constructor.
54 
55  /// Copy constructor.
57 
58  /// Swaps content.
59  inline void
61 
62  protected:
63 
64  /// Notifies the policy object that the container's __size has
65  /// changed to size.
66  void
67  notify_resized(size_type);
68 
69  /// Transforms key_const_reference into a position within the table.
70  inline size_type
71  operator()(key_const_reference) const;
72 
73  };
74 }
75 #endif // #ifndef PB_DS_SAMPLE_RANGED_HASH_FN_HPP