Cargoify servo

src/components/script/dom/bindings/codegen/Nullable.h

@@ -1,68 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
-/* vim: set ts=2 sw=2 et tw=79: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef mozilla_dom_Nullable_h
-#define mozilla_dom_Nullable_h
-
-#include "mozilla/Assertions.h"
-
-namespace mozilla {
-namespace dom {
-
-// Support for nullable types
-template <typename T>
-struct Nullable
-{
-private:
-  T mValue;
-  bool mIsNull;
-
-public:
-  Nullable()
-    : mIsNull(true)
-  {}
-
-  Nullable(T aValue)
-    : mValue(aValue)
-    , mIsNull(false)
-  {}
-
-  void SetValue(T aValue) {
-    mValue = aValue;
-    mIsNull = false;
-  }
-
-  // For cases when |T| is some type with nontrivial copy behavior, we may want
-  // to get a reference to our internal copy of T and work with it directly
-  // instead of relying on the copying version of SetValue().
-  T& SetValue() {
-    mIsNull = false;
-    return mValue;
-  }
-
-  void SetNull() {
-    mIsNull = true;
-  }
-
-  const T& Value() const {
-    MOZ_ASSERT(!mIsNull);
-    return mValue;
-  }
-
-  T& Value() {
-    MOZ_ASSERT(!mIsNull);
-    return mValue;
-  }
-
-  bool IsNull() const {
-    return mIsNull;
-  }
-};
-
-} // namespace dom
-} // namespace mozilla
-
-#endif /* mozilla_dom_Nullable_h */