Four is magic: Difference between revisions

Line 3,431:

Negative one hundred sixty-four is thirty-one, thirty-one is ten, ten is three, three is five, five is four, four is magic.

Nine billion eight hundred seventy-six million five hundred forty-three thousand two hundred nine is ninety-seven, ninety-seven is twelve, twelve is six, six is three, three is five, five is four, four is magic.

</pre>

=={{header|Swift}}==

<lang swift>import Foundation

func fourIsMagic(number: NSNumber) -> String {

let formatter = NumberFormatter()

formatter.numberStyle = .spellOut

formatter.locale = Locale(identifier: "en_EN")

var result: [String] = []

var numberString = formatter.string(from: number)!

result.append(numberString.capitalized)

while numberString != "four" {

numberString = formatter.string(from: NSNumber(value: numberString.count))!

result.append(contentsOf: [" is ", numberString, ", ", numberString])

}

result.append(" is magic.")

return result.joined()

}</lang>

<pre>

Twenty-Three is twelve, twelve is six, six is three, three is five, five is four, four is magic.

One Billion is eleven, eleven is six, six is three, three is five, five is four, four is magic.

Twenty Thousand One Hundred Forty is thirty-three, thirty-three is twelve, twelve is six, six is three, three is five, five is four, four is magic.

One Hundred is eleven, eleven is six, six is three, three is five, five is four, four is magic.

One Hundred Thirty is eighteen, eighteen is eight, eight is five, five is four, four is magic.

One Hundred Fifty-One is twenty-one, twenty-one is ten, ten is three, three is five, five is four, four is magic.

Minus Seven is eleven, eleven is six, six is three, three is five, five is four, four is magic.

</pre>