docstr: Return the current performance along the horizon.
  
  Returns
  -------
  The current performance.
docstr_tok: ["Return","the","current","performance","along","the","horizon",".","Returns","--","--","--","-","The","current","performance","."]
code: def get(self) -> list[float]:
      """Return the current performance along the horizon.
  
      Returns
      -------
      The current performance.
  
      """
  
imports: from __future__ import annotations
  import abc
  import typing
  from numbers import Number
  from river import base, metrics
label_desc: Use image node_id 2 for calling the ForecastingMetric obj's underlying member method code with example usage: obj.get() without return types