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265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
38 lines
992 B
C++
38 lines
992 B
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* an object with the same layout as a Rust std::cell::Cell<T> */
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#ifndef mozilla_RustCell_h
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#define mozilla_RustCell_h
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namespace mozilla {
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/**
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* Object with the same layout as std::cell::Cell<T>.
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*
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* ServoBindings.toml defines a mapping so that generated bindings use a
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* real std::cell::Cell<T>.
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*
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* Note that while the layout matches, this doesn't have the same ABI as a
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* std::cell::Cell<T>, so values of this type can't be passed over FFI
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* functions.
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*/
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template <typename T>
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class RustCell {
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public:
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RustCell() : mValue() {}
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T Get() const { return mValue; }
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private:
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T mValue;
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};
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} // namespace mozilla
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#endif // mozilla_RustCell_h
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