parameters: (self, data)
docstring: Create a new instance.
  
      Args:
        data: A handle to the memory-mapped file, as returned by mmap.mmap.
docstring_summary: Create a new instance.
docstring_tokens: Create a new instance .
function: def __init__(self, data):
      """Create a new instance.
  
      Args:
        data: A handle to the memory-mapped file, as returned by mmap.mmap.
      """
      self.data = data
function_tokens: def __init__ ( self , data ) : self . data = data