layer

    description: 'layer layer for configurable component'
    ---
​
    # layer layer
​
    `layer` allows you to reference any layer defined in the rest of the network.
​
    ## arguments
​
        `layer_name` - The name of the layer to use
​
    ## Optional arguments
​
        `upsample` - If true, upsample the layer to the current size
​
    ## input size
​
    Any 4-d tensor
​
    ## output size
​
    if upsample true, the current input size
    otherwise the layer size
​
    ## syntax
​
    ```json
      "layer z"
    ```
​
    ## examples
​
    ```json
​
      "identity name=encoding",
      ...
      "add self (layer encoding upsample=true)"
    ```