| 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 : Thr May 25 16:39:00 2017 |
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| 13 | // Update Count : 1 |
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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 | forall(otype T, otype E) |
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| 58 | result(T, E) result_value(T value); |
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| 59 | |
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| 60 | forall(otype T, otype E) |
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| 61 | result(T, E) result_error(E error); |
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| 62 | |
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| 63 | forall(otype T, otype E) |
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| 64 | bool has_value(result(T, E) * this); |
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| 65 | |
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| 66 | forall(otype T, otype E) |
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| 67 | T get(result(T, E) * this); |
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| 68 | |
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| 69 | forall(otype T, otype E) |
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| 70 | E get_error(result(T, E) * this); |
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| 71 | |
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| 72 | forall(otype T, otype E) |
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| 73 | void set(result(T, E) * this, T value); |
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| 74 | |
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| 75 | forall(otype T, otype E) |
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| 76 | void set_error(result(T, E) * this, E error); |
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| 77 | |
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| 78 | #endif // RESULT_H |
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