Scala - Core Scala - Expressions and Conditionals(for loop, nested iterators)

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 4.(No. 1081)を解いてみる。

その他参考書籍

• Programming Scala: Scalability = Functional Programming + Objects

Exercises 4.(No. 1081)

コード(Emacs)

val n = 5
for (i <- 1 to 100 / n) {
  for (j <- 1 to n) print(s"${5 * (i - 1) + j}, ")
  println("")
}

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

$ scala-2.11 sample4.scala
1, 2, 3, 4, 5, 
6, 7, 8, 9, 10, 
11, 12, 13, 14, 15, 
16, 17, 18, 19, 20, 
21, 22, 23, 24, 25, 
26, 27, 28, 29, 30, 
31, 32, 33, 34, 35, 
36, 37, 38, 39, 40, 
41, 42, 43, 44, 45, 
46, 47, 48, 49, 50, 
51, 52, 53, 54, 55, 
56, 57, 58, 59, 60, 
61, 62, 63, 64, 65, 
66, 67, 68, 69, 70, 
71, 72, 73, 74, 75, 
76, 77, 78, 79, 80, 
81, 82, 83, 84, 85, 
86, 87, 88, 89, 90, 
91, 92, 93, 94, 95, 
96, 97, 98, 99, 100, 
$