


"""simple docstring"""
from __future__ import annotations

import sys
from collections import deque
from typing import Generic, TypeVar

__SCREAMING_SNAKE_CASE							:			List[str]						=			TypeVar('T')





class    __A   (Generic[T]):





							'''simple docstring'''

							__lowercase:						Tuple												=			42  # Cache store of keys
							__lowercase:						int												=			42  # References of the keys in cache
							__lowercase:						Dict												=			10  # Maximum capacity of cache



							def __init__( self							:					Optional[Any]						,				UpperCAmelCase_							:					Tuple				)    ->None:



														"""simple docstring"""



														snake_case_							=						deque()
														snake_case_							=						set()
														if not n:
																					snake_case_							=						sys.maxsize
														elif n < 0:
																					raise ValueError("""n should be an integer greater than 0."""				)
														else:
																					snake_case_							=						n



							def 						lowerCAmelCase				( self							:					Union[str, Any]						,				UpperCAmelCase_							:					Any				)    ->None:



														"""simple docstring"""



														if x not in self.key_reference:
																					if len(self.dq_store				) == LRUCache._MAX_CAPACITY:
																												snake_case_							=						self.dq_store.pop()
																												self.key_reference.remove(UpperCAmelCase_				)
														else:
																					self.dq_store.remove(UpperCAmelCase_				)

														self.dq_store.appendleft(UpperCAmelCase_				)
														self.key_reference.add(UpperCAmelCase_				)



							def 						lowerCAmelCase				( self							:					List[Any]				)    ->None:



														"""simple docstring"""



														for k in self.dq_store:
																					print(UpperCAmelCase_				)



							def __repr__( self							:					int				)    ->str:



														"""simple docstring"""



														return F"""LRUCache({self._MAX_CAPACITY}) => {list(self.dq_store				)}"""


if __name__ == "__main__":
				import doctest

				doctest.testmod()

				__SCREAMING_SNAKE_CASE							:			LRUCache[str | int]						=			LRUCache(4)
				lru_cache.refer('A')
				lru_cache.refer(2)
				lru_cache.refer(3)
				lru_cache.refer('A')
				lru_cache.refer(4)
				lru_cache.refer(5)
				lru_cache.display()

				print(lru_cache)
				assert str(lru_cache) == "LRUCache(4) => [5, 4, 'A', 3]"








'''simple docstring'''




from operator import delitem, getitem, setitem

import pytest

from data_structures.hashing.hash_map import HashMap



def       __lowerCamelCase  (					_lowercase		)      ->			Optional[Any]:
							return getitem, k



def       __lowerCamelCase  (					_lowercase	,				_lowercase		)      ->			List[str]:
							return setitem, k, v



def       __lowerCamelCase  (					_lowercase		)      ->			int:
							return delitem, k



def       __lowerCamelCase  (					_lowercase	,				_lowercase	,				*_lowercase		)      ->			Optional[Any]:
							try:
														return fun(_lowercase	,				*_lowercase		), None
							except Exception as e:
														return None, e


a   :			List[str]					  =    (
    _set("""key_a""", """val_a"""),
    _set("""key_b""", """val_b"""),
)

a   :			List[Any]					  =    [
    _set("""key_a""", """val_a"""),
    _set("""key_a""", """val_b"""),
]

a   :			int					  =    [
    _set("""key_a""", """val_a"""),
    _set("""key_b""", """val_b"""),
    _del("""key_a"""),
    _del("""key_b"""),
    _set("""key_a""", """val_a"""),
    _del("""key_a"""),
]

a   :			List[Any]					  =    [
    _get("""key_a"""),
    _del("""key_a"""),
    _set("""key_a""", """val_a"""),
    _del("""key_a"""),
    _del("""key_a"""),
    _get("""key_a"""),
]

a   :			Tuple					  =    [
    *[_set(x, x) for x in range(5)],  # guaranteed upsize
]

a   :			Optional[Any]					  =    [
    *[_set(x, x) for x in range(5)],  # guaranteed upsize
    *[_del(x) for x in range(5)],
    _set("""key_a""", """val_b"""),
]



@pytest.mark.parametrize(
    """operations"""	,				(
        pytest.param(_add_items	,				id="""add items"""		),
        pytest.param(_overwrite_items	,				id="""overwrite items"""		),
        pytest.param(_delete_items	,				id="""delete items"""		),
        pytest.param(_access_absent_items	,				id="""access absent items"""		),
        pytest.param(_add_with_resize_up	,				id="""add with resize up"""		),
        pytest.param(_add_with_resize_down	,				id="""add with resize down"""		),
    )	,				)
def       __lowerCamelCase  (					_lowercase		)      ->			Optional[int]:
							UpperCAmelCase     :		List[str]							     =		HashMap(initial_block_size=4		)
							UpperCAmelCase     :		Dict							     =		{}
							for _, (fun, *args) in enumerate(_lowercase		):
														UpperCAmelCase     ,     UpperCAmelCase     :		Union[str, Any]							     =		_run_operation(_lowercase	,				_lowercase	,				*_lowercase		)
														UpperCAmelCase     ,     UpperCAmelCase     :		Any							     =		_run_operation(_lowercase	,				_lowercase	,				*_lowercase		)
														assert my_res == py_res
														assert str(_lowercase		) == str(_lowercase		)
														assert set(_lowercase		) == set(_lowercase		)
														assert len(_lowercase		) == len(_lowercase		)
														assert set(my.items()		) == set(py.items()		)



def       __lowerCamelCase  (					)      ->			List[Any]:
							def is_public(_lowercase		) -> bool:
														return not name.startswith("""_"""		)

							UpperCAmelCase     :		int							     =		{name for name in dir({}		) if is_public(_lowercase		)}
							UpperCAmelCase     :		Any							     =		{name for name in dir(HashMap()		) if is_public(_lowercase		)}

							assert dict_public_names > hash_public_names

