July 2016
Beginner to intermediate
776 pages
17h 26m
Korean
Content preview from 프로그래밍 스칼라: 실용적인 스칼라 활용법을 익히는 가장 확실한 실전 바이블 (2.11.x 버전 기반)
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210
2
부
기본기 다지기
이 스크립트를 실행하면 다음과 같은 출력이 나온다.
connect
:
(
length
:
15
)
connect body
...
delete
:
(
length
:
14
)
delete body
...
get
:
(
length
:
11
)
get body
...
head
:
(
length
:
12
)
head body
...
options
:
(
length
:
15
)
options body
...
post
:
(
length
:
12
)
post body
...
put
:
(
length
:
11
)
put body
...
trace
:
(
length
:
13
)
trace body
...
HTTPMethod
케이스 클래스는 작기 때문에 원칙적으로
Enumeration
을 사용할 수도 있다. 하지
만 그런 경우 큰 단점이 하나 있다. 컴파일러가
Enumeration
에 대한 매치가 완전한지 검사해줄
수 없다는 것이다. 만약 이 예제를
Enumeration
을 사용하도록 변경했는데,
Trace
에 대한
case
절을 빼먹었다면, 실행 시점에
MatchError
가 던져지고 나서야 그 사실을 발견하게 될 것이다.
CAUTION
_
패턴 매칭이 필요한 곳에 열거형을 사용하지 말라. 매치가 완전한지 컴파일러가 알려줄 수 없다.
4.12
패턴 매칭의 다른 사용법
다행히 케이스 절이 아닌 경우에도 이렇게 강력한 기능을 사용할 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.