Scala - Core Scala - Expressions and Conditionals(for loop, if/else, one line)

Learning Scala:
Practical Functional Programming for the JVM
(O'Reilly Media)
Jason Swartz (著)

開発環境

• OS X Yosemite - Apple (OS)
• Emacs (Text Editor)
• Scala (プログラミング言語)

Learning Scala: Practical Functional Programming for the JVM (Jason Swartz (著)、O'Reilly Media)のPart Ⅰ. (Core Scala)、Chapter 3.(Expressions and Conditionals)、Exercises 6.(No. 1097)を解いてみる。

その他参考書籍

• Programming Scala: Scalability = Functional Programming + Objects

Exercises 6.(No. 1097)

コード(Emacs)

for (n <- 1 to 100) { if (n % 15 == 0) println("typesafe.") else if (n % 3 == 0) println("type,") else if (n % 5 == 0) println("safe.") else println(n)}

入出力結果(Terminal, REPL(Read, Eval, Print, Loop))

$ scala-2.11 sample6.scala
1
2
type,
4
safe.
type,
7
8
type,
safe.
11
type,
13
14
typesafe.
16
17
type,
19
safe.
type,
22
23
type,
safe.
26
type,
28
29
typesafe.
31
32
type,
34
safe.
type,
37
38
type,
safe.
41
type,
43
44
typesafe.
46
47
type,
49
safe.
type,
52
53
type,
safe.
56
type,
58
59
typesafe.
61
62
type,
64
safe.
type,
67
68
type,
safe.
71
type,
73
74
typesafe.
76
77
type,
79
safe.
type,
82
83
type,
safe.
86
type,
88
89
typesafe.
91
92
type,
94
safe.
type,
97
98
type,
safe.
$