Method releaseDisposables

valdi/src/valdi/runtime/Context/Context.cpp:402–408

}

void Context::releaseDisposables() {
    auto value = --_disposableRefCount;
    if (value == 0) {
        std::unique_lock<Mutex> guard(_mutex);
        _disposables.dispose(guard);
    }
}

void Context::setParent(const Ref<Context>& parentContext) {
    _parentContext = parentContext;