Sha256: f0281ae7505408aa4f690ae517562a3f6d738cce364aed1249728ee9ac0e43be
Contents?: true
Size: 1.37 KB
Versions: 396
Compression:
Stored size: 1.37 KB
Contents
struct FoodChain {
private static let animals = ["fly", "spider", "bird", "cat", "dog", "goat", "cow", "horse"]
static func song() -> String {
let verses = (1...8).map { verse($0) }
return verses.joined(separator: "\n\n")
}
static func verse(_ number: Int) -> String {
var result = ""
var index = number - 1
let animal = animals[index]
result += "I know an old lady who swallowed a \(animal).\n"
switch number {
case 2: result += "It wriggled and jiggled and tickled inside her.\n"
case 3: result += "How absurd to swallow a bird!\n"
case 4: result += "Imagine that, to swallow a cat!\n"
case 5: result += "What a hog, to swallow a dog!\n"
case 6: result += "Just opened her throat and swallowed a goat!\n"
case 7: result += "I don't know how she swallowed a cow!\n"
case 8: result += "She's dead, of course!"; return result
default: break
}
while index >= 1 {
result += "She swallowed the \(animals[index]) to catch the \(animals[index - 1])"
if index == 2 {
result += " that wriggled and jiggled and tickled inside her"
}
result += ".\n"
index -= 1
}
result += "I don't know why she swallowed the fly. Perhaps she'll die."
return result
}
}
Version data entries
396 entries across 396 versions & 1 rubygems