Flutter Impeller
backend_cast.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef FLUTTER_IMPELLER_BASE_BACKEND_CAST_H_
6 #define FLUTTER_IMPELLER_BASE_BACKEND_CAST_H_
7 
8 namespace impeller {
9 
10 template <class Sub, class Base>
11 class BackendCast {
12  public:
13  static Sub& Cast(Base& base) { return reinterpret_cast<Sub&>(base); }
14 
15  static const Sub& Cast(const Base& base) {
16  return reinterpret_cast<const Sub&>(base);
17  }
18 
19  static Sub* Cast(Base* base) { return reinterpret_cast<Sub*>(base); }
20 
21  static const Sub* Cast(const Base* base) {
22  return reinterpret_cast<const Sub*>(base);
23  }
24 };
25 
26 } // namespace impeller
27 
28 #endif // FLUTTER_IMPELLER_BASE_BACKEND_CAST_H_
static Sub * Cast(Base *base)
Definition: backend_cast.h:19
static const Sub * Cast(const Base *base)
Definition: backend_cast.h:21
static const Sub & Cast(const Base &base)
Definition: backend_cast.h:15
static Sub & Cast(Base &base)
Definition: backend_cast.h:13