



from __future__ import annotations

from collections.abc import Iterator
from typing import Any



class 		_lowercase		:

   def __init__(   self      :							List[str]				, __lowerCAmelCase      :							Any				)							->					None:


    """simple docstring"""






    a							=		data
    a							=		None




   def __str__(   self      :							Union[str, Any]				)							->					str:


    """simple docstring"""






    return f"""{self.data}"""



class 		_lowercase		:

   def __init__(   self      :							Dict				)							->					None:


    """simple docstring"""






    a							=		None
    a							=		None

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


    """simple docstring"""






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

   def __len__(   self      :							Optional[Any]				)							->					int:


    """simple docstring"""






    return len(tuple(iter(self				)				)				)

   def __str__(   self      :							Union[str, Any]				)							->					str:


    """simple docstring"""






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

   def 		A				(   self      :							Optional[Any]				)							->					bool:


    """simple docstring"""






    return len(self				) == 0

   def 		A				(   self      :							List[str]				, __lowerCAmelCase      :							Any				)							->					None:


    """simple docstring"""






    a							=		Node(__lowerCAmelCase				)
    if self.is_empty():
     a							=		a							=		node
    else:
     assert isinstance(self.rear				, __lowerCAmelCase				)
     a							=		node
     a							=		node

   def 		A				(   self      :							Optional[Any]				)							->					Any:


    """simple docstring"""






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




   def 		A				(   self      :							str				)							->					None:


    """simple docstring"""






    a							=		a							=		None


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

     testmod()


'''simple docstring'''




import os
import unittest

import pytest
from parameterized import parameterized

from transformers.testing_utils import require_torch, require_torch_gpu, slow, torch_device


# skipping in unittest tests

_lowercase		:					int													=		[(1,)]




def 				lowerCamelCase      ( )     -> Dict:
							lowercase_   :     Union[str, Any]									=			bool(os.getenv("""RUN_SLOW""" , 0					)					)
							if run_slow:
														assert True
							else:
														assert False, "should have been skipped"




def 				lowerCamelCase      ( )     -> List[str]:
							lowercase_   :     Union[str, Any]									=			bool(os.getenv("""RUN_SLOW""" , 0					)					)
							if run_slow and torch_device == "cuda":
														assert True
							else:
														assert False, "should have been skipped"





@require_torch
class        __magic_name__		(       unittest.TestCase):







			@slow
			@require_torch_gpu
			def       SCREAMING_SNAKE_CASE_	(      self							:    Dict       ):
										check_slow_torch_cuda()







			@require_torch_gpu
			@slow
			def       SCREAMING_SNAKE_CASE_	(      self							:    List[str]       ):
										check_slow_torch_cuda()







			@parameterized.expand(lowercase_       )
			@slow
			def       SCREAMING_SNAKE_CASE_	(      self							:    Tuple							,     lowercase_							:    Dict=None       ):
										check_slow()




@slow
@require_torch_gpu
def 				lowerCamelCase      ( )     -> Union[str, Any]:
							check_slow_torch_cuda()




@require_torch_gpu
@slow
def 				lowerCamelCase      ( )     -> Any:
							check_slow_torch_cuda()




@slow
@pytest.mark.parametrize("""param""" , [1]					)
def 				lowerCamelCase      ( UpperCAmelCase__			:   List[str]					)     -> List[Any]:
							check_slow()




@pytest.mark.parametrize("""param""" , [1]					)
@slow
def 				lowerCamelCase      ( UpperCAmelCase__			:   Optional[Any]					)     -> Any:
							check_slow()





