Swift - A Modular Approach to Program Organization(function, parameters, type, Number(Int, Double))

The Swift Programming Language
Apple Inc.

開発環境

• OS X Mavericks - Apple(OS)
• Xcode 6.0 Beta
• Swift (プログラミング言語)

Practical Programming: An Introduction to Computer Science Using Python 3 (Pragmatic Programmers) (Paul Gries (著)、Jennifer Campbell (著)、Jason Montojo (著)、Lynn Beighley (編集)、Pragmatic Bookshelf)のChapter 6(A Modular Approach to Program)、6.6(Exercises) 3-a, b.をSwiftで考えてみる。

6.6(Exercises) 3-a, b.

コード(Xcode)

main.swift

//
//  main.swift
//  exercise
//
//  Created by kamimura on 8/9/14.
//  Copyright (c) 2014 kamimura. All rights reserved.
//

import Foundation

func average(num1:Double, num2:Double) -> Double {
    return (num1 + num2) / 2
}

let a:Int = 10
let b:Int = 20
let c:Double = 15.0

println(average(Double(a), Double(b)) == c)

let d:Double = 2.5
let e:Double = 3.0
let f:Double = 2.75

println(average(d, e) == f)

入出力結果(Console Output)

true
true
Program ended with exit code: 0