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89 lines
1.7 KiB
89 lines
1.7 KiB
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include <mutex>
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#include <string>
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#include <unordered_map>
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namespace constructors {
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struct dynamic {
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enum T {
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NULLT,
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};
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private:
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struct ObjectMaker;
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public:
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template <class T>
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dynamic(T t);
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static ObjectMaker object();
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dynamic(dynamic&&) noexcept;
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dynamic& operator=(dynamic&&) noexcept;
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dynamic& operator[](dynamic const&) &;
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dynamic&& operator[](dynamic const&) &&;
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template <class K, class V>
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void insert(K&&, V&& val);
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private:
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T type_;
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};
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dynamic& dynamic::operator=(dynamic&& o) noexcept {
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if (&o != this) {
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if (type_ == o.type_) {
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} else {
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type_ = o.type_;
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}
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}
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return *this;
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}
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struct dynamic::ObjectMaker {
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friend struct dynamic;
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explicit ObjectMaker() {}
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ObjectMaker(ObjectMaker&&) = default;
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};
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inline dynamic::ObjectMaker dynamic::object() { return ObjectMaker(); }
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struct BSS {
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dynamic toJson_ok() const noexcept {
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dynamic ret = dynamic::object();
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ret["key"] = dynamic::object();
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return ret;
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}
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dynamic& toJson_race(dynamic& ret) const noexcept {
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ret["key"] = dynamic::object();
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return ret;
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}
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};
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struct TSL {
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std::mutex mutex_;
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void not_locked_ok(dynamic& ret) { BSS().toJson_ok(); }
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void locked_ok(dynamic& ret) {
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std::lock_guard<std::mutex> lock(mutex_);
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BSS().toJson_ok();
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}
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void FN_not_locked_race(dynamic& ret) { BSS().toJson_race(ret); }
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void locked_race(dynamic& ret) {
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std::lock_guard<std::mutex> lock(mutex_);
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BSS().toJson_race(ret);
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}
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};
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} // namespace constructors
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