Google Cloud Pub/Sub C++ Client  1.33.0
A C++ Client Library for Google Cloud Pub/Sub
non_constructible.h
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1 // Copyright 2021 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
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12 // See the License for the specific language governing permissions and
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14 
15 #ifndef GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_PUBSUB_INTERNAL_NON_CONSTRUCTIBLE_H
16 #define GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_PUBSUB_INTERNAL_NON_CONSTRUCTIBLE_H
17 
18 #include "google/cloud/pubsub/version.h"
19 #include "google/cloud/options.h"
20 
21 namespace google {
22 namespace cloud {
23 namespace pubsub_internal {
25 
26 /**
27  * A type that is not constructible.
28  *
29  * This type can be used to disallow the instantiation of an object. We might
30  * use it, for example, to disambiguate overloaded functions that are passed an
31  * empty initializer list.
32  */
33 struct NonConstructible {
34  NonConstructible() = delete;
35  NonConstructible(const NonConstructible&) = delete;
36  NonConstructible(NonConstructible&&) = delete;
37 };
38 
40 } // namespace pubsub_internal
41 } // namespace cloud
42 } // namespace google
43 
44 #endif // GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_PUBSUB_INTERNAL_NON_CONSTRUCTIBLE_H