source:
src/libcfa/containers/maybe@
3175147
| Last change on this file since 3175147 was 20877d2, checked in by , 8 years ago | |
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| File size: 1.2 KB | |
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| [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 |
| [20877d2] | 12 | // Last Modified On : Fri Jun 16 15:42:00 2017 |
| 13 | // Update Count : 2 | |
| [79308c8e] | 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 | |
| [20877d2] | 48 | /* Waiting for bug#11 to be fixed. |
| [79308c8e] | 49 | forall(otype T) |
| 50 | maybe(T) maybe_value(T value); | |
| 51 | ||
| 52 | forall(otype T) | |
| 53 | maybe(T) maybe_none(); | |
| [20877d2] | 54 | */ |
| [79308c8e] | 55 | |
| 56 | forall(otype T) | |
| [64fc0ba] | 57 | bool has_value(maybe(T) * this); |
| [79308c8e] | 58 | |
| 59 | forall(otype T) | |
| 60 | T get(maybe(T) * this); | |
| 61 | ||
| [58daf53] | 62 | forall(otype T) |
| 63 | void set(maybe(T) * this, T value); | |
| 64 | ||
| 65 | forall(otype T) | |
| 66 | void set_none(maybe(T) * this); | |
| 67 | ||
| [79308c8e] | 68 | #endif // MAYBE_H |
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