Sha256: 886a3b006c7388317c4818e37fd340e093befd9b55b58c172cce63967ea1ab3c
Contents?: true
Size: 851 Bytes
Versions: 112
Compression:
Stored size: 851 Bytes
Contents
struct Diamond {
static let alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".characters.map { $0 }
static func makeDiamond(letter: Character) -> [String] {
guard let index = alphabet.index(of: letter) else {
return []
}
let numberOfLines = index * 2 + 1
let middle = numberOfLines / 2
var result = [String]()
for lineNumber in 0..<numberOfLines {
var line = ""
for column in 0..<numberOfLines {
let distanceFromMiddle = middle - abs(middle - lineNumber)
if abs(middle - column) == distanceFromMiddle {
line.append(alphabet[distanceFromMiddle])
} else {
line.append(" ")
}
}
result.append(line)
}
return result
}
}
Version data entries
112 entries across 112 versions & 1 rubygems