erica

import Foundation

public extension String {
    public func replacing(range: CountableClosedRange<Int>, with replacementString: String) -> String {
        let start = characters.index(characters.startIndex, offsetBy: range.lowerBound)
        let end   = characters.index(start, offsetBy: range.count)
        return self.replacingCharacters(in: start ..< end, with: replacementString)
    }
}

loganwright

#!/usr/bin/env swift

#if os(OSX)
    import Darwin
#else
    import Glibc
#endif

import Foundation

kostiakoval

import UIKit
import XCPlayground

let a = 10


let layer = CAShapeLayer()
layer.strokeColor = UIColor.redColor().CGColor
layer.fillColor = UIColor(red: 1, green: 0.33, blue: 0.33, alpha: 1).CGColor
layer.lineWidth = 12