Got "not captured" issue when using loadAsync api

[xeoshow]

Hello,

I am just trying below api to wrap a little, and want to LOG the input urlStr and jsonData in the callback, while got error when compiling, how to deal with such problem? Thanks again!

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C:\util\global.cpp:133: error: 'urlStr' is not captured LOG(TRACE) << "urlStr=" << urlStr << ", jsonData=" << jsonData << ", replyData=" << replyData; ^ C:\util\global.cpp:133: error: 'jsonData' is not captured LOG(TRACE) << "urlStr=" << urlStr << ", jsonData=" << jsonData << ", replyData=" << replyData; ^

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void Global::postJsonDataToCloud(const QString urlStr, const QString jsonData) { NetworkRequest *request = new NetworkRequest(); request->setRequestMethod(NetworkRequest::Post); request->setRawRequest(jsonData.toUtf8(), "application/json"); connect(request, &NetworkRequest::downloadComplete, [] (const QByteArray& replyData) { LOG(TRACE) << "urlStr=" << urlStr << ", jsonData=" << jsonData << ", replyData=" << replyData; }); request->loadAsync(urlStr); }

[dimkanovikov]

Hi!

You have some troubles in your lambda. You need to capture urlStr and jsonData in lambda. For more info how you can do it see c++ reference (this for example).

[xeoshow]

Thanks! Never used lambda before. :-D