ADT
aaron-thesis
arm-eh
ast-experimental
cleanup-dtors
deferred_resn
demangler
enum
forall-pointer-decay
jacob/cs343-translation
jenkins-sandbox
new-ast
new-ast-unique-expr
new-env
no_list
persistent-indexer
pthread-emulation
qualifiedEnum
resolv-new
with_gc
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Last change
on this file since 79308c8e was 79308c8e, checked in by Andrew Beach <ajbeach@…>, 8 years ago |
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First draft of maybe and result.
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| 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 25 14:45:00 2017
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| 11 | // Last Modified By : Andrew Beach
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| 12 | // Last Modified On : Wed May 25 16:57:00 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 |
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| 21 | // DO NOT USE DIRECTLY!
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| 22 | forall(otype T, otype E)
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| 23 | struct result {
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| 24 | _Bool has_value;
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| 25 | union {
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| 26 | T value;
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| 27 | E error;
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| 28 | };
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| 29 | };
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| 30 |
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| 31 |
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| 32 | forall(otype T, otype E)
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| 33 | void ?{}(result(T, E) * this);
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| 34 |
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| 35 | forall(otype T, otype E)
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| 36 | void ?{}(result(T, E) * this, one_t, T value);
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| 37 |
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| 38 | forall(otype T, otype E)
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| 39 | void ?{}(result(T, E) * this, zero_t, E error);
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| 40 |
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| 41 | forall(otype T, otype E)
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| 42 | void ?{}(result(T, E) * this, result(T, E) other);
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| 43 |
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| 44 | forall(otype T, otype E)
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| 45 | void ^?{}(result(T, E) * this);
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| 46 |
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| 47 | forall(otype T, otype E)
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| 48 | _Bool ?!=?(result(T, E) this, zero_t);
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| 49 |
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| 50 | forall(otype T, otype E)
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| 51 | result(T, E) result_value(T value);
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| 52 |
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| 53 | forall(otype T, otype E)
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| 54 | result(T, E) result_error(E error);
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| 55 |
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| 56 | forall(otype T, otype E)
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| 57 | _Bool has_value(result(T, E) * this);
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| 58 |
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| 59 | forall(otype T, otype E)
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| 60 | T get(result(T, E) * this);
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| 61 |
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| 62 | forall(otype T, otype E)
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| 63 | E get_error(result(T, E) * this);
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| 64 |
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| 65 | #endif // RESULT_H
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