============ fluid.layers ============ .. toctree:: :maxdepth: 1 layers_cn/control_flow_cn.rst layers_cn/detection_cn.rst layers_cn/io_cn.rst layers_cn/learning_rate_scheduler_cn.rst layers_cn/metric_op_cn.rst layers_cn/nn_cn.rst layers_cn/ops_cn.rst layers_cn/tensor_cn.rst