Flutter Engine
weak_ptr_internal.cc
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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 #include "flutter/fml/memory/weak_ptr_internal.h"
6 
7 #include "flutter/fml/logging.h"
8 
9 namespace fml {
10 namespace internal {
11 
12 WeakPtrFlag::WeakPtrFlag() : is_valid_(true) {}
13 
15  // Should be invalidated before destruction.
16  FML_DCHECK(!is_valid_);
17 }
18 
20  // Invalidation should happen exactly once.
21  FML_DCHECK(is_valid_);
22  is_valid_ = false;
23 }
24 
25 } // namespace internal
26 } // namespace fml
#define FML_DCHECK(condition)
Definition: logging.h:86
Definition: ascii_trie.cc:9