source:
src/libcfa/containers/maybe
@
58daf53
Last change on this file since 58daf53 was 58daf53, checked in by , 5 years ago  



File size: 1.2 KB 
Rev  Line  

[79308c8e]  1  // 
2  // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo  
3  //  
4  // The contents of this file are covered under the licence agreement in the  
5  // file "LICENCE" distributed with Cforall.  
6  //  
7  // maybe  May contain a value.  
8  //  
9  // Author : Andrew Beach  
[58daf53]  10  // Created On : Wed May 24 14:43:00 2017 
[79308c8e]  11  // Last Modified By : Andrew Beach 
[58daf53]  12  // Last Modified On : Thr May 25 16:36:00 2017 
[79308c8e]  13  // Update Count : 1 
14  //  
15  
16  
17  #ifndef MAYBE_H  
18  #define MAYBE_H  
19  
[64fc0ba]  20  #include <stdbool.h> 
[79308c8e]  21  
22  // DO NOT USE DIRECTLY!  
23  forall(otype T)  
24  struct maybe {  
[64fc0ba]  25  bool has_value; 
[79308c8e]  26  T value; 
27  };  
28  
29  
30  forall(otype T)  
31  void ?{}(maybe(T) * this);  
32  
33  forall(otype T)  
34  void ?{}(maybe(T) * this, T value);  
35  
36  forall(otype T)  
37  void ?{}(maybe(T) * this, maybe(T) other);  
38  
39  forall(otype T)  
40  void ^?{}(maybe(T) * this);  
41  
[58daf53]  42  forall(otype T) 
43  maybe(T) ?=?(maybe(T) * this, maybe(T) other);  
44  
[79308c8e]  45  forall(otype T) 
[64fc0ba]  46  bool ?!=?(maybe(T) this, zero_t); 
[79308c8e]  47  
48  forall(otype T)  
49  maybe(T) maybe_value(T value);  
50  
51  forall(otype T)  
52  maybe(T) maybe_none();  
53  
54  forall(otype T)  
[64fc0ba]  55  bool has_value(maybe(T) * this); 
[79308c8e]  56  
57  forall(otype T)  
58  T get(maybe(T) * this);  
59  
[58daf53]  60  forall(otype T) 
61  void set(maybe(T) * this, T value);  
62  
63  forall(otype T)  
64  void set_none(maybe(T) * this);  
65  
[79308c8e]  66  #endif // MAYBE_H 
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