Sha256: 8ee7392e4e56f47d71ffa253f411ca9cd0ed92a9b151a89874551f67da372107
Contents?: true
Size: 1.36 KB
Versions: 111
Compression:
Stored size: 1.36 KB
Contents
struct Say {
private static let smallNumbers = [
"zero", "one", "two", "three", "four", "five",
"six", "seven", "eight", "nine", "ten",
"eleven", "twelve", "thirteen", "fourteen", "fifteen",
"sixteen", "seventeen", "eighteen", "nineteen"
]
private static let decades = [
"twenty", "thirty", "forty", "fifty",
"sixty", "seventy", "eighty", "ninety"
]
private static let largeGroups: [(name: String, amount: Int)] = [
("billion", 1_000_000_000), ("million", 1_000_000), ("thousand", 1_000), ("hundred", 100)
]
static func say(_ number: Int) -> String? {
guard number >= 0 && number < 1_000_000_000_000 else {
return nil
}
if number < 20 {
return smallNumbers[number]
}
for group in largeGroups where number >= group.amount {
let result = "\(say(number / group.amount)!) " + group.name
let remainder = number % group.amount
if remainder == 0 {
return result
} else {
return result + " \(say(remainder)!)"
}
}
let decade = number / 10
let decadeName = decades[decade - 2]
if number % 10 == 0 {
return decadeName
} else {
return decadeName + "-" + say(number % 10)!
}
}
}
Version data entries
111 entries across 111 versions & 1 rubygems