| 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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| 7 | // result -- Contains the expected value or an error value.
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| 8 | //
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| 9 | // Author : Andrew Beach
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| 10 | // Created On : Wed May 24 14:45:00 2017
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| 11 | // Last Modified By : Andrew Beach
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| 12 | // Last Modified On : Fri Jun 16 15:41:00 2017
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| 13 | // Update Count : 2
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| 14 | //
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| 15 |
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| 16 |
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| 17 | #ifndef RESULT_H
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| 18 | #define RESULT_H
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| 19 |
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| 20 | #include <stdbool.h>
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| 21 |
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| 22 | // DO NOT USE DIRECTLY!
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| 23 | forall(otype T, otype E)
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| 24 | union inner_result{
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| 25 | T value;
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| 26 | E error;
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| 27 | };
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| 28 |
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| 29 | forall(otype T, otype E)
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| 30 | struct result {
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| 31 | bool has_value;
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| 32 | inner_result(T, E);
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| 33 | };
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| 34 |
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| 35 |
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| 36 | forall(otype T, otype E)
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| 37 | void ?{}(result(T, E) & this);
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| 38 |
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| 39 | forall(otype T, otype E)
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| 40 | void ?{}(result(T, E) & this, one_t, T value);
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| 41 |
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| 42 | forall(otype T, otype E)
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| 43 | void ?{}(result(T, E) & this, zero_t, E error);
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| 44 |
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| 45 | forall(otype T, otype E)
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| 46 | void ?{}(result(T, E) & this, result(T, E) other);
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| 47 |
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| 48 | forall(otype T, otype E)
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| 49 | void ^?{}(result(T, E) & this);
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| 50 |
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| 51 | forall(otype T, otype E)
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| 52 | result(T, E) ?=?(result(T, E) & this, result(T, E) other);
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| 53 |
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| 54 | forall(otype T, otype E)
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| 55 | bool ?!=?(result(T, E) this, zero_t);
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| 56 |
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| 57 | /* Wating for bug#11 to be fixed.
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| 58 | forall(otype T, otype E)
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| 59 | result(T, E) result_value(T value);
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| 60 |
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| 61 | forall(otype T, otype E)
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| 62 | result(T, E) result_error(E error);
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| 63 | */
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| 64 |
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| 65 | forall(otype T, otype E)
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| 66 | bool has_value(result(T, E) * this);
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| 67 |
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| 68 | forall(otype T, otype E)
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| 69 | T get(result(T, E) * this);
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| 70 |
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| 71 | forall(otype T, otype E)
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| 72 | E get_error(result(T, E) * this);
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| 73 |
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| 74 | forall(otype T, otype E)
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| 75 | void set(result(T, E) * this, T value);
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| 76 |
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| 77 | forall(otype T, otype E)
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| 78 | void set_error(result(T, E) * this, E error);
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| 79 |
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| 80 | #endif // RESULT_H
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