class_docstr: Class providing the core functionality of a parameter, aka
  value, internal/model parameters, mutation, recombination
  and additional features such as shared random state,
  constraint check, hashes, generation and naming.
  The value field should sent to the function to optimize.
  
  Example
  -------
  >>> ng.p.Array(shape=(2,)).value
  array([0., 0.])
code: def __repr__(self) -> str:
      strings = [self.name]
      if not callable(self.value):  # not a mutation
          strings.append(str(self.value))
      return ":".join(strings)
  
imports: import uuid
  import warnings
  import numpy
  import nevergrad.common.typing
  from nevergrad.common import errors
  from .None import utils
  from ._layering import ValueProperty
  from ._layering import Layered
  from ._layering import Level
label_desc: Use image node_id 16 for calling the Parameter obj's underlying member method code with example usage: obj.__repr__() and returns: str