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The Reactive C++ Toolbox
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TypeTraits.ut.cpp
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1// The Reactive C++ Toolbox.
2// Copyright (C) 2013-2019 Swirly Cloud Limited
3// Copyright (C) 2024 Reactive Markets Limited
4//
5// Licensed under the Apache License, Version 2.0 (the "License");
6// you may not use this file except in compliance with the License.
7// You may obtain a copy of the License at
8//
9// http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing, software
12// distributed under the License is distributed on an "AS IS" BASIS,
13// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14// See the License for the specific language governing permissions and
15// limitations under the License.
16
17#include "TypeTraits.hpp"
18#include <vector>
19
20using namespace toolbox::util;
21
22static_assert(is_string_v<std::string>);
23static_assert(is_string_v<const std::string>);
24static_assert(is_string_v<volatile std::string>);
25static_assert(is_string_v<const volatile std::string>);
26static_assert(!is_string_v<std::string*>);
27static_assert(!is_string_v<const std::string*>);
28static_assert(!is_string_v<volatile std::string*>);
29static_assert(!is_string_v<const volatile std::string*>);
30static_assert(!is_string_v<std::string&>);
31static_assert(!is_string_v<const std::string&>);
32static_assert(!is_string_v<volatile std::string&>);
33static_assert(!is_string_v<const volatile std::string&>);
34static_assert(!is_string_v<void>);
35static_assert(!is_string_v<int>);
36static_assert(!is_string_v<std::vector<std::string>>);
37static_assert(!is_string_v<char*>);
38static_assert(!is_string_v<const char*>);
39static_assert(!is_string_v<std::string_view>);
40
41static_assert(is_string_view_v<std::string_view>);
42static_assert(is_string_view_v<const std::string_view>);
43static_assert(is_string_view_v<volatile std::string_view>);
44static_assert(is_string_view_v<const volatile std::string_view>);
45static_assert(!is_string_view_v<std::string_view*>);
46static_assert(!is_string_view_v<const std::string_view*>);
47static_assert(!is_string_view_v<volatile std::string_view*>);
48static_assert(!is_string_view_v<const volatile std::string_view*>);
49static_assert(!is_string_view_v<std::string_view&>);
50static_assert(!is_string_view_v<const std::string_view&>);
51static_assert(!is_string_view_v<volatile std::string_view&>);
52static_assert(!is_string_view_v<const volatile std::string_view&>);
53static_assert(!is_string_view_v<void>);
54static_assert(!is_string_view_v<int>);
55static_assert(!is_string_view_v<std::vector<std::string>>);
56static_assert(!is_string_view_v<char*>);
57static_assert(!is_string_view_v<const char*>);
58static_assert(!is_string_view_v<std::string>);
59
60static_assert(is_decay_to_cstring_v<char[]>);
61static_assert(is_decay_to_cstring_v<const char[]>);
62static_assert(is_decay_to_cstring_v<volatile char[]>);
63static_assert(is_decay_to_cstring_v<const volatile char[]>);
64static_assert(is_decay_to_cstring_v<char[5]>);
65static_assert(is_decay_to_cstring_v<const char[5]>);
66static_assert(is_decay_to_cstring_v<volatile char[5]>);
67static_assert(is_decay_to_cstring_v<const volatile char[5]>);
68static_assert(!is_decay_to_cstring_v<int[]>);
69static_assert(!is_decay_to_cstring_v<const int[]>);
70static_assert(!is_decay_to_cstring_v<volatile int[]>);
71static_assert(!is_decay_to_cstring_v<const volatile int[]>);
72static_assert(!is_decay_to_cstring_v<int[5]>);
73static_assert(!is_decay_to_cstring_v<const int[5]>);
74static_assert(!is_decay_to_cstring_v<volatile int[5]>);
75static_assert(!is_decay_to_cstring_v<const volatile int[5]>);
76static_assert(!is_decay_to_cstring_v<unsigned char[]>);
77static_assert(!is_decay_to_cstring_v<const unsigned char[]>);
78static_assert(!is_decay_to_cstring_v<volatile unsigned char[]>);
79static_assert(!is_decay_to_cstring_v<const volatile unsigned char[]>);
80static_assert(!is_decay_to_cstring_v<unsigned char[5]>);
81static_assert(!is_decay_to_cstring_v<const unsigned char[5]>);
82static_assert(!is_decay_to_cstring_v<volatile unsigned char[5]>);
83static_assert(!is_decay_to_cstring_v<const volatile unsigned char[5]>);
84static_assert(!is_decay_to_cstring_v<signed char[]>);
85static_assert(!is_decay_to_cstring_v<const signed char[]>);
86static_assert(!is_decay_to_cstring_v<volatile signed char[]>);
87static_assert(!is_decay_to_cstring_v<const volatile signed char[]>);
88static_assert(!is_decay_to_cstring_v<signed char[5]>);
89static_assert(!is_decay_to_cstring_v<const signed char[5]>);
90static_assert(!is_decay_to_cstring_v<volatile signed char[5]>);
91static_assert(!is_decay_to_cstring_v<const volatile signed char[5]>);
92static_assert(!is_decay_to_cstring_v<char>);
93static_assert(!is_decay_to_cstring_v<signed char>);
94static_assert(!is_decay_to_cstring_v<unsigned char>);
95static_assert(!is_decay_to_cstring_v<int>);
96static_assert(!is_decay_to_cstring_v<void>);
97static_assert(!is_decay_to_cstring_v<double>);
98static_assert(!is_decay_to_cstring_v<std::string>);
99static_assert(!is_decay_to_cstring_v<std::string_view>);
100
101static_assert(is_string_type_v<std::string>);
102static_assert(!is_string_type_v<std::string*>);
103static_assert(!is_string_type_v<std::string&>);
104
105static_assert(is_string_type_v<std::string_view>);
106static_assert(!is_string_type_v<std::string_view*>);
107static_assert(!is_string_type_v<std::string_view&>);
108
109static_assert(is_string_type_v<char*>);
110static_assert(is_string_type_v<char* const>);
111static_assert(is_string_type_v<char* volatile>);
112static_assert(is_string_type_v<char* const volatile>);
113static_assert(is_string_type_v<const char*>);
114static_assert(is_string_type_v<const char* const>);
115static_assert(is_string_type_v<const char* volatile>);
116static_assert(is_string_type_v<const char* const volatile>);
117static_assert(is_string_type_v<volatile char*>);
118static_assert(is_string_type_v<volatile char* const>);
119static_assert(is_string_type_v<volatile char* volatile>);
120static_assert(is_string_type_v<volatile char* const volatile>);
121static_assert(is_string_type_v<const volatile char*>);
122static_assert(is_string_type_v<const volatile char* const>);
123static_assert(is_string_type_v<const volatile char* volatile>);
124static_assert(is_string_type_v<const volatile char* const volatile>);
125static_assert(is_string_type_v<char[]>);
126static_assert(is_string_type_v<const char[]>);
127static_assert(is_string_type_v<volatile char[]>);
128static_assert(is_string_type_v<const volatile char[]>);
129static_assert(is_string_type_v<char[5]>);
130static_assert(is_string_type_v<const char[5]>);
131static_assert(is_string_type_v<volatile char[5]>);
132static_assert(is_string_type_v<const volatile char[5]>);
133static_assert(!is_string_type_v<void>);
134static_assert(!is_string_type_v<int>);
135static_assert(!is_string_type_v<float>);
136static_assert(!is_string_type_v<unsigned char*>);
137static_assert(!is_string_type_v<unsigned char* const>);
138static_assert(!is_string_type_v<unsigned char* volatile>);
139static_assert(!is_string_type_v<unsigned char* const volatile>);
140static_assert(!is_string_type_v<const unsigned char*>);
141static_assert(!is_string_type_v<const unsigned char* const>);
142static_assert(!is_string_type_v<const unsigned char* volatile>);
143static_assert(!is_string_type_v<const unsigned char* const volatile>);
144static_assert(!is_string_type_v<volatile unsigned char*>);
145static_assert(!is_string_type_v<volatile unsigned char* const>);
146static_assert(!is_string_type_v<volatile unsigned char* volatile>);
147static_assert(!is_string_type_v<volatile unsigned char* const volatile>);
148static_assert(!is_string_type_v<const volatile unsigned char*>);
149static_assert(!is_string_type_v<const volatile unsigned char* const>);
150static_assert(!is_string_type_v<const volatile unsigned char* volatile>);
151static_assert(!is_string_type_v<const volatile unsigned char* const volatile>);
152static_assert(!is_string_type_v<unsigned char[]>);
153static_assert(!is_string_type_v<const unsigned char[]>);
154static_assert(!is_string_type_v<volatile unsigned char[]>);
155static_assert(!is_string_type_v<const volatile unsigned char[]>);
156static_assert(!is_string_type_v<unsigned char[5]>);
157static_assert(!is_string_type_v<const unsigned char[5]>);
158static_assert(!is_string_type_v<volatile unsigned char[5]>);
159static_assert(!is_string_type_v<const volatile unsigned char[5]>);
160static_assert(!is_string_type_v<signed char[]>);
161static_assert(!is_string_type_v<const signed char[]>);
162static_assert(!is_string_type_v<volatile signed char[]>);
163static_assert(!is_string_type_v<const volatile signed char[]>);
164static_assert(!is_string_type_v<signed char[5]>);
165static_assert(!is_string_type_v<const signed char[5]>);
166static_assert(!is_string_type_v<volatile signed char[5]>);
167static_assert(!is_string_type_v<const volatile signed char[5]>);
toolbox::util::bind
constexpr auto bind() noexcept
Definition Slot.hpp:92
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