将变量分配给函数调用实际上是调用该函数还是只是存储它(以便它可以被调用)?例如:val userData = GraphRequest.newMeRequest( accessToken, object : GraphRequest.GraphJSONObjectCallback { override fun onCompleted(`object`: JSONObject?, response: GraphResponse?) { Log.d(TAG, `object`.toString()) } })实际上打电话GraphRequest.newMeRequest()?
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