class_docstr: Initializes array.
  
  It initializes the given array.
  
  Attributes:
      dtype: Data type specifier. It is for type check in ``__call__``
          function.
code: def __init__(
      self, dtype: tp.Optional[types.DTypeSpec] = None
  ) -> None:
      self.dtype = dtype
  
file_path: chainer/chainer/initializer.py
imports: import typing
  from chainer import types
  from chainer import utils
label_desc: Use image node_id 1 to create a new Initializer object from inherited base classes: object with example: obj = Initializer(dtype)