Ad
ArtysTvs.ihar.katkavets

Insert a given separator into a string at a given character interval

Code
Diff
  • extension String {
    func insert(_ value: String, interval: Int) -> String {
        guard interval > 0 else { return self }
        var new = Array(self).map(String.init)
        (1..<count).filter { $0 % interval == 0 }
            .reversed()
            .forEach { new.insert(value, at: $0) }
        return new.joined()
    }
}
    • extension String {
    • func insert(_ value: String, interval: Int) -> String {
    • guard interval > 0 && interval < count else { return self }
    • let chars = Array(self)
    • var result = ""
    • var i = 0
    • while i+interval<count {
    • result.append(String(chars[i..<min(count,i+interval)])+value)
    • i += interval
    • }
    • result.append(String(chars[i..<min(count,i+interval)]))
    • return result
    • guard interval > 0 else { return self }
    • var new = Array(self).map(String.init)
    • (1..<count).filter { $0 % interval == 0 }
    • .reversed()
    • .forEach { new.insert(value, at: $0) }
    • return new.joined()
    • }
    • }
ArtysTvs.alanparmenter

Grade Calculator - Convert Grade to letter

Code
Diff
  • func gradeCalc(_ score: Int) -> String {
    (0...100).contains(score) ? ["F","F","F","F","F","F","D","C","B","A","A"][score / 10] : "Not a grade"
}
    • func gradeCalc(_ score: Int) -> String {
    • (score < 0 || score > 100) ? "Not a grade" : ["F","F","F","F","F","F","D","C","B","A","A"][score / 10];
    • (0...100).contains(score) ? ["F","F","F","F","F","F","D","C","B","A","A"][score / 10] : "Not a grade"
    • }