import Cocoa

var statusCode: Int = -1
var errorString: String = "The request failed with the error:"
switch statusCode {
case 100, 101:
    errorString += " Informational, 1xx."

case 204:
    errorString += " Successful, but no content, 204"

case 300...307:
    errorString += " Redirection, 3xx"

case 400...417:
    errorString += " Client error, 4xx"

case 500...505:
    errorString += " Server error, 5xx"

case let unknownCode where (unknownCode >= 200 && unknownCode < 300)
        || unknownCode > 505:
    errorString = "\(unknownCode) is not a known error code."

default:
    errorString = "Unexpected error encountered. Status Code: \(statusCode)"
}

print(errorString)