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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_STRUCT_PTR_H_ | 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_STRUCT_PTR_H_ |
6 #define MOJO_PUBLIC_CPP_BINDINGS_STRUCT_PTR_H_ | 6 #define MOJO_PUBLIC_CPP_BINDINGS_STRUCT_PTR_H_ |
7 | 7 |
8 #include <cstddef> | 8 #include <cstddef> |
9 #include <memory> | 9 #include <memory> |
10 #include <new> | 10 #include <new> |
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120 return *this; | 120 return *this; |
121 } | 121 } |
122 | 122 |
123 template <typename U> | 123 template <typename U> |
124 U To() const { | 124 U To() const { |
125 return TypeConverter<U, InlinedStructPtr>::Convert(*this); | 125 return TypeConverter<U, InlinedStructPtr>::Convert(*this); |
126 } | 126 } |
127 | 127 |
128 void reset() { | 128 void reset() { |
129 is_null_ = true; | 129 is_null_ = true; |
130 value_. ~Struct(); | 130 value_.~Struct(); |
131 new (&value_) Struct(); | 131 new (&value_) Struct(); |
132 } | 132 } |
133 | 133 |
134 // Tests as true if non-null, false if null. | 134 // Tests as true if non-null, false if null. |
135 explicit operator bool() const { return !is_null_; } | 135 explicit operator bool() const { return !is_null_; } |
136 | 136 |
137 bool is_null() const { return is_null_; } | 137 bool is_null() const { return is_null_; } |
138 | 138 |
139 Struct& operator*() const { | 139 Struct& operator*() const { |
140 MOJO_DCHECK(!is_null_); | 140 MOJO_DCHECK(!is_null_); |
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171 | 171 |
172 mutable Struct value_; | 172 mutable Struct value_; |
173 bool is_null_; | 173 bool is_null_; |
174 | 174 |
175 MOJO_MOVE_ONLY_TYPE(InlinedStructPtr); | 175 MOJO_MOVE_ONLY_TYPE(InlinedStructPtr); |
176 }; | 176 }; |
177 | 177 |
178 } // namespace mojo | 178 } // namespace mojo |
179 | 179 |
180 #endif // MOJO_PUBLIC_CPP_BINDINGS_STRUCT_PTR_H_ | 180 #endif // MOJO_PUBLIC_CPP_BINDINGS_STRUCT_PTR_H_ |
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