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O'Reilly Platform
book
전문가를 위한 파이썬(2판)
by
루시아누 하말류
,
강권학
November 2024
Beginner to intermediate
1064 pages
25h 21m
Korean
Hanbit Media, Inc.
Content preview from
전문가를 위한 파이썬(2판)
446
3
부
클래스와 프로토콜
예제
11-10
Vector2d
대상에 대한 위치 패턴(파이썬
3
.
10
이상 버전 필요)
def positional_pattern_demo(v: Vector2d) -> None:
match v:
case Vector2d(0, 0):
print(f’{v!r} is null’)
case Vector2d(0):
print(f’{v!r} is vertical’)
case Vector2d(_, 0):
print(f’{v!r} is horizontal’)
case Vector2d(x, y) if x==y:
print(f’{v!r} is diagonal’)
case _:
print(f’{v!r} is awesome’)
__match_args__
클래스 속성에 공개 속성이 모두 들어갈 필요는 없다. 특히 인스턴스 속성에
할당될 필수 인수와 선택 인수를
__init__(
)
가 받을 때, 필수 인수는
__match_args__
에 지
정하는 편이 좋지만 선택 인수까지 모두 지정할 필요는 없다.
이제 잠시 숨을 고르면서 지금까지
Vector2d
에 구현한 코드를 돌아보자.
11
.
9
Vector2d
버전 #
3
: 전체 코드
지금까지
Vector2d
클래스를 개선하면서 추가된 코드 부분만 보았다. [예제
11
-
11
]은 지금까
지 수정한 내용과 클래스를 개발하면서 ...
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