

from __future__ import annotations

from collections.abc import Iterator
from typing import Any



class 					lowercase		:



 '''simple docstring'''


 def __init__(self , __a				)				->      None:






  """simple docstring"""





  UpperCAmelCase__           =       data
  UpperCAmelCase__           =       None




 def __str__(self				)				->      str:






  """simple docstring"""





  return F"{self.data}"







class 					lowercase		:



 '''simple docstring'''


 def __init__(self				)				->      None:






  """simple docstring"""





  UpperCAmelCase__           =       None
  UpperCAmelCase__           =       None




 def __iter__(self				)				->      Iterator[Any]:






  """simple docstring"""





  UpperCAmelCase__           =       self.front
  while node:
   yield node.data
   UpperCAmelCase__           =       node.next




 def __len__(self				)				->      int:






  """simple docstring"""





  return len(tuple(iter(self				)				)				)




 def __str__(self				)				->      str:






  """simple docstring"""





  return " <- ".join(str(__a				) for item in self				)




 def 						UpperCamelCase__							(self				)				->      bool:






  """simple docstring"""





  return len(self				) == 0




 def 						UpperCamelCase__							(self , __a				)				->      None:






  """simple docstring"""





  UpperCAmelCase__           =       Node(__a				)
  if self.is_empty():
   UpperCAmelCase__           =       UpperCAmelCase__           =       node
  else:
   assert isinstance(self.rear , __a				)
   UpperCAmelCase__           =       node
   UpperCAmelCase__           =       node




 def 						UpperCamelCase__							(self				)				->      Any:






  """simple docstring"""





  if self.is_empty():
   raise IndexError('dequeue from empty queue'				)
  assert isinstance(self.front , __a				)
  UpperCAmelCase__           =       self.front
  UpperCAmelCase__           =       self.front.next
  if self.front is None:
   UpperCAmelCase__           =       None
  return node.data




 def 						UpperCamelCase__							(self				)				->      None:






  """simple docstring"""





  UpperCAmelCase__           =       UpperCAmelCase__           =       None


if __name__ == "__main__":
 from doctest import testmod

 testmod()








from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


_UpperCamelCase     =    {
    '''configuration_fsmt''': ['''FSMT_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''FSMTConfig'''],
    '''tokenization_fsmt''': ['''FSMTTokenizer'''],
}

try:
 if not is_torch_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 _UpperCamelCase     =    ['''FSMTForConditionalGeneration''', '''FSMTModel''', '''PretrainedFSMTModel''']


if TYPE_CHECKING:
 from .configuration_fsmt import FSMT_PRETRAINED_CONFIG_ARCHIVE_MAP, FSMTConfig
 from .tokenization_fsmt import FSMTTokenizer

 try:
  if not is_torch_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_fsmt import FSMTForConditionalGeneration, FSMTModel, PretrainedFSMTModel

else:
 import sys

 _UpperCamelCase     =    _LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)



