| 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 : Peter A. Buhr
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| 12 | // Last Modified On : Sat Jul 22 10:00:44 2017
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| 13 | // Update Count : 3
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| 14 | //
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| 15 |
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| 16 | #pragma once
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| 17 |
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| 18 | #include <stdbool.h>
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| 19 |
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| 20 | // DO NOT USE DIRECTLY!
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| 21 | forall(otype T, otype E)
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| 22 | union inner_result{
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| 23 | T value;
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| 24 | E error;
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| 25 | };
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| 26 |
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| 27 | forall(otype T, otype E)
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| 28 | struct result {
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| 29 | bool has_value;
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| 30 | inner_result(T, E);
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| 31 | };
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| 32 |
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| 33 |
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| 34 | forall(otype T, otype E)
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| 35 | void ?{}(result(T, E) & this);
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| 36 |
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| 37 | forall(otype T, otype E)
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| 38 | void ?{}(result(T, E) & this, one_t, T value);
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| 39 |
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| 40 | forall(otype T, otype E)
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| 41 | void ?{}(result(T, E) & this, zero_t, E error);
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| 42 |
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| 43 | forall(otype T, otype E)
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| 44 | void ?{}(result(T, E) & this, result(T, E) other);
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| 45 |
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| 46 | forall(otype T, otype E)
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| 47 | void ^?{}(result(T, E) & this);
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| 48 |
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| 49 | forall(otype T, otype E)
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| 50 | result(T, E) ?=?(result(T, E) & this, result(T, E) other);
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| 51 |
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| 52 | forall(otype T, otype E)
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| 53 | bool ?!=?(result(T, E) this, zero_t);
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| 54 |
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| 55 | /* Wating for bug#11 to be fixed.
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| 56 | forall(otype T, otype E)
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| 57 | result(T, E) result_value(T value);
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| 58 |
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| 59 | forall(otype T, otype E)
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| 60 | result(T, E) result_error(E error);
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| 61 | */
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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 | // Local Variables: //
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| 79 | // mode: c //
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| 80 | // tab-width: 4 //
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| 81 | // End: //
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