source:
libcfa/src/containers/maybe.hfa
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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 |
10 | // Created On : Wed May 24 14:43:00 2017 |
11 | // Last Modified By : Peter A. Buhr |
12 | // Last Modified On : Sat Jul 22 10:00:52 2017 |
13 | // Update Count : 4 |
14 | // |
15 | |
16 | #pragma once |
17 | |
18 | #include <stdbool.h> |
19 | |
20 | // DO NOT USE DIRECTLY! |
21 | forall(otype T) |
22 | struct maybe { |
23 | bool has_value; |
24 | T value; |
25 | }; |
26 | |
27 | |
28 | forall(otype T) |
29 | void ?{}(maybe(T) & this); |
30 | |
31 | forall(otype T) |
32 | void ?{}(maybe(T) & this, T value); |
33 | |
34 | forall(otype T) |
35 | void ?{}(maybe(T) & this, maybe(T) other); |
36 | |
37 | forall(otype T) |
38 | void ^?{}(maybe(T) & this); |
39 | |
40 | forall(otype T) |
41 | maybe(T) ?=?(maybe(T) & this, maybe(T) other); |
42 | |
43 | forall(otype T) |
44 | bool ?!=?(maybe(T) this, zero_t); |
45 | |
46 | /* Waiting for bug#11 to be fixed. |
47 | forall(otype T) |
48 | maybe(T) maybe_value(T value); |
49 | |
50 | forall(otype T) |
51 | maybe(T) maybe_none(); |
52 | */ |
53 | |
54 | forall(otype T) |
55 | bool has_value(maybe(T) * this); |
56 | |
57 | forall(otype T) |
58 | T get(maybe(T) * this); |
59 | |
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 | |
66 | // Local Variables: // |
67 | // mode: c // |
68 | // tab-width: 4 // |
69 | // End: // |
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