



"""simple docstring"""





from __future__ import annotations

from collections.abc import Callable
from typing import Generic, TypeVar

lowerCamelCase       	=						TypeVar("""T""")
lowerCamelCase       	=						TypeVar("""U""")
class 				lowercase__       (   Generic[T, U]				):



       def __init__(							self      :  Optional[Any]		,    _UpperCAmelCase      :  T | None		,    _UpperCAmelCase      :  U | None   )			->						Optional[int]:


             '''simple docstring'''




             UpperCAmelCase_      			=							key
             UpperCAmelCase_      			=							val
             UpperCAmelCase_      			=							None
             UpperCAmelCase_      			=							None







       def __repr__(							self      :  List[Any]   )			->						List[Any]:


             '''simple docstring'''




             return (
                 F"""Node: key: {self.key}, val: {self.val}, """
                 F"""has next: {bool(self.next   )}, has prev: {bool(self.prev   )}"""
             )



class 				lowercase__       (   Generic[T, U]				):



       def __init__(							self      :  List[Any]   )			->						List[Any]:


             '''simple docstring'''




             UpperCAmelCase_      			=							DoubleLinkedListNode(a_		,    a_   )
             UpperCAmelCase_      			=							DoubleLinkedListNode(a_		,    a_   )
             UpperCAmelCase_			,   UpperCAmelCase_      			=							self.rear, self.head



       def __repr__(							self      :  Dict   )			->						str:


             '''simple docstring'''




             UpperCAmelCase_      			=							["DoubleLinkedList"]
             UpperCAmelCase_      			=							self.head
             while node.next is not None:
                   rep.append(str(a_   )   )
                   UpperCAmelCase_      			=							node.next
             rep.append(str(self.rear   )   )
             return ",\n    ".join(a_   )



       def 					lowercase__    (							self      :  Optional[Any]		,    _UpperCAmelCase      :  DoubleLinkedListNode[T, U]   )			->						List[str]:


             '''simple docstring'''




             UpperCAmelCase_      			=							self.rear.prev

             # All nodes other than self.head are guaranteed to have non-None previous
             assert previous is not None

             UpperCAmelCase_      			=							node
             UpperCAmelCase_      			=							previous
             UpperCAmelCase_      			=							node
             UpperCAmelCase_      			=							self.rear







       def 					lowercase__    (							self      :  Dict		,    _UpperCAmelCase      :  DoubleLinkedListNode[T, U]   )			->						int:


             '''simple docstring'''




             if node.prev is None or node.next is None:
                   return None

             UpperCAmelCase_      			=							node.next
             UpperCAmelCase_      			=							node.prev
             UpperCAmelCase_      			=							None
             UpperCAmelCase_      			=							None
             return node



class 				lowercase__       (   Generic[T, U]				):
       UpperCamelCase						=					{}



       def __init__(							self      :  List[str]		,    _UpperCAmelCase      :  int   )			->						Tuple:


             '''simple docstring'''




             UpperCAmelCase_      			=							DoubleLinkedList()
             UpperCAmelCase_      			=							capacity
             UpperCAmelCase_      			=							0
             UpperCAmelCase_      			=							0
             UpperCAmelCase_      			=							0
             UpperCAmelCase_      			=							{}



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


             '''simple docstring'''




             return (
                 F"""CacheInfo(hits={self.hits}, misses={self.miss}, """
                 F"""capacity={self.capacity}, current size={self.num_keys})"""
             )



       def __contains__(							self      :  Tuple		,    _UpperCAmelCase      :  T   )			->						Any:


             '''simple docstring'''




             return key in self.cache



       def 					lowercase__    (							self      :  Optional[Any]		,    _UpperCAmelCase      :  T   )			->						List[str]:


             '''simple docstring'''




             if key in self.cache:
                   self.hits += 1
                   UpperCAmelCase_      			=							self.cache[key]
                   UpperCAmelCase_      			=							self.list.remove(self.cache[key]   )
                   assert node == value_node

                   # node is guaranteed not None because it is in self.cache
                   assert node is not None
                   self.list.add(a_   )
                   return node.val
             self.miss += 1
             return None



       def 					lowercase__    (							self      :  int		,    _UpperCAmelCase      :  T		,    _UpperCAmelCase      :  U   )			->						List[Any]:


             '''simple docstring'''




             if key not in self.cache:
                   if self.num_keys >= self.capacity:
                         # delete first node (oldest) when over capacity
                         UpperCAmelCase_      			=							self.list.head.next

                         # guaranteed to have a non-None first node when num_keys > 0
                         # explain to type checker via assertions
                         assert first_node is not None
                         assert first_node.key is not None
                         assert (
                             self.list.remove(a_   ) is not None
                         )  # node guaranteed to be in list assert node.key is not None

                         del self.cache[first_node.key]
                         self.num_keys -= 1
                   UpperCAmelCase_      			=							DoubleLinkedListNode(a_		,    a_   )
                   self.list.add(self.cache[key]   )
                   self.num_keys += 1

             else:
                   # bump node to the end of the list, update value
                   UpperCAmelCase_      			=							self.list.remove(self.cache[key]   )
                   assert node is not None  # node guaranteed to be in list
                   UpperCAmelCase_      			=							value
                   self.list.add(a_   )







       @classmethod
       def 					lowercase__    (							cls      :  List[Any]		,    _UpperCAmelCase      :  int = 128   )			->						Dict:


             '''simple docstring'''




             def cache_decorator_inner(_UpperCAmelCase      :  Callable[[T], U]   ) -> Callable[..., U]:
                   def cache_decorator_wrapper(*_UpperCAmelCase      :  T   ) -> U:
                         if func not in cls.decorator_function_to_instance_map:
                               UpperCAmelCase_      			=							LRUCache(a_   )

                         UpperCAmelCase_      			=							cls.decorator_function_to_instance_map[func].get(args[0]   )
                         if result is None:
                               UpperCAmelCase_      			=							func(*a_   )
                               cls.decorator_function_to_instance_map[func].put(args[0]		,    a_   )
                         return result

                   def cache_info() -> LRUCache[T, U]:
                         return cls.decorator_function_to_instance_map[func]

                   setattr(a_		,    "cache_info"		,    a_   )  # noqa: B010

                   return cache_decorator_wrapper

             return cache_decorator_inner


if __name__ == "__main__":
  import doctest

  doctest.testmod()









"""simple docstring"""





from .configuration_bert_masked import MaskedBertConfig
from .modeling_bert_masked import (
    MaskedBertForMultipleChoice,
    MaskedBertForQuestionAnswering,
    MaskedBertForSequenceClassification,
    MaskedBertForTokenClassification,
    MaskedBertModel,
)
from .modules import *




