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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