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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721
23
장
애플리케이션 설계
require
메서드는 메서드 (생성자 포함 )의 인자를 검사하기 위한 의도로 만들어졌다. 이들은 실
패 시
IllegalArgumentException
을 던지며,
-
Xelide
-
below
옵션을 어떻게 지정하든 만들어
지는 코드에는 영향을 주지 못한다. 따라서 우리가 만든
Money
타입의 경우,
require
검사는
결코 비활성화할 수 없다. 심지어는 모든
assert
와
assume
을 끈 상용 환경에서도 마찬가지다.
여러분의 의도가 그것이 아니라면
assume
이나
assert
중 하나를 사용해야 한다.
가능한 한 타입 시스템으로 값을 강제하는 것이 이상적이다. 하지만 스칼라 타입 시스템은 우
리가 필요로 하는 모든 제약 사항을 강제해줄 수는 없다. 따라서 계약에 의한 설계에서 영감을
얻은
TDD
(또는 그 변종 )와 단언문 검사는 올바른 소프트웨어를 구축하는 데 있어 유용한 도
구로 남아 있을 것이다.
23.6
파르테논 구조
객체지향 프로그래밍에서 가장 매력적인 아이디어는 편재성 언어
ubiquitous
language
다. 이는 비즈
니스 관계자로부터
QA
에 이르기까지 모든 팀이 같은 영역 언어를 사용해서 의사소통을 더 효
율적으로 수행한다는 뜻이다(이 용어는 『
Domain
-
Driven
Design
』(에릭 에반스
Eric
Evans ...
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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.
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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.