class_docstr: Stores the minimum value obtained so far
class_docstr_tok: ["Stores","the","minimum","value","obtained","so","far"]
code: def __call__(self, score: int) -> float:
      self.min_loss = min(score, self.min_loss)
      return score
  
imports: import warnings
  from pathlib import Path
  import numpy
  import nevergrad.common.typing
  from nevergrad.common import testing
  import nevergrad
  from .None import optimizerlib
  from .None import experimentalvariants
  from .None import base
  from .None import utils
  from .None import callbacks
label_desc: Use image node_id 2 for calling the MinStorageFunc obj's underlying member method code with example usage: obj.__call__(score) and returns: score