docstr: Set concat output precision
docstr_tok: ["Set","concat","output","precision"]
code: def transform(self, model, node):
      """
      Set concat output precision
      """
      otype = node.get_output_variable().type.precision
      itype1 = node.get_input_variable(node.inputs[0]).type.precision
      itype2 = node.get_input_variable(node.inputs[1]).type.precision
      newtype = get_concat_type(itype1, itype2)
      print(
          f"Found {node.name} in the model, optimizing {otype} to {newtype}..."
      )
      node.get_output_variable().type.precision = newtype
  
      return True
  
imports: from hls4ml.model.optimizer import OptimizerPass
  from hls4ml.model.types import FixedPrecisionType
label_desc: Use image node_id 2 for calling the SetPrecisionConcat obj's underlying member method code with example usage: obj.transform(model, node) and returns: True