Scala - Core Scala - Functions(Tuples, Types, String, toString)

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 4.(Functions)、Exercises 8.(No. 1479)を解いてみる。

その他参考書籍

• Programming Scala: Scalability = Functional Programming + Objects

Exercises 8.(No. 1479)

コード(Emacs)

def convertToStrings[A, B, C](t:(A, B, C)): (A, String, B, String, C, String) =
  (t._1, t._1.toString, t._2, t._2.toString, t._3, t._3.toString)

println(convertToStrings(true, 22.25, "yes"))

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

$ scala-2.11 sample8.scala
(true,true,22.25,22.25,yes,yes)
$ scala-2.11 
Welcome to Scala version 2.11.7 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_25).
Type in expressions to have them evaluated.
Type :help for more information.

scala> :load sample8.scala
Loading sample8.scala...
convertToStrings: [A, B, C](t: (A, B, C))(A, String, B, String, C, String)
(true,true,22.25,22.25,yes,yes)

scala> :q
$