| Index: sky/engine/bindings2/nullable.h
|
| diff --git a/sky/engine/bindings2/nullable.h b/sky/engine/bindings2/nullable.h
|
| deleted file mode 100644
|
| index 4bca0bae3f5fcedf0ef9b8f8fe987e7ab77c9357..0000000000000000000000000000000000000000
|
| --- a/sky/engine/bindings2/nullable.h
|
| +++ /dev/null
|
| @@ -1,54 +0,0 @@
|
| -// Copyright 2014 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#ifndef SKY_ENGINE_BINDINGS2_NULLABLE_H_
|
| -#define SKY_ENGINE_BINDINGS2_NULLABLE_H_
|
| -
|
| -#include "base/logging.h"
|
| -
|
| -namespace blink {
|
| -
|
| -template <typename T>
|
| -class Nullable {
|
| - public:
|
| - Nullable() : value_(), is_null_(true) {}
|
| - Nullable(const T& value) : value_(value), is_null_(false) {}
|
| - Nullable(const Nullable& other)
|
| - : value_(other.value_), is_null_(other.is_null_) {}
|
| -
|
| - Nullable& operator=(const Nullable& other) = default;
|
| -
|
| - void set(const T& value) {
|
| - value_ = value;
|
| - is_null_ = false;
|
| - }
|
| -
|
| - const T& get() const {
|
| - DCHECK(!is_null_);
|
| - return value_;
|
| - }
|
| - T& get() {
|
| - DCHECK(!is_null_);
|
| - return value_;
|
| - }
|
| -
|
| - bool is_null() const { return is_null_; }
|
| -
|
| - // See comment in RefPtr.h about what UnspecifiedBoolType is.
|
| - typedef const T* UnspecifiedBoolType;
|
| - operator UnspecifiedBoolType() const { return is_null_ ? 0 : &value_; }
|
| -
|
| - bool operator==(const Nullable& other) const {
|
| - return (is_null_ && other.is_null_) ||
|
| - (!is_null_ && !other.is_null_ && value_ == other.value_);
|
| - }
|
| -
|
| - private:
|
| - T value_;
|
| - bool is_null_;
|
| -};
|
| -
|
| -} // namespace blink
|
| -
|
| -#endif // SKY_ENGINE_BINDINGS2_NULLABLE_H_
|
|
|