pebble8888

        if let stream:InputStream = InputStream(fileAtPath: "/Users/pebble8888/hoge.txt") {
            var buf:[UInt8] = [UInt8](repeating: 0, count: 16)
            stream.open()
            while true {
                let len = stream.read(&buf, maxLength: buf.count) 
                print("len \(len)")
                for i in 0..<len {
                    print(String(format:"%02x ", buf[i]), terminator: "")
                }
                if len < buf.count {

mwermuth

extension UIBezierPath {
  
  class func getAxisAlignedArrowPoints(inout points: Array<CGPoint>, forLength: CGFloat, tailWidth: CGFloat, headWidth: CGFloat, headLength: CGFloat ) {

    let tailLength = forLength - headLength
    points.append(CGPointMake(0, tailWidth/2))
    points.append(CGPointMake(tailLength, tailWidth/2))
    points.append(CGPointMake(tailLength, headWidth/2))
    points.append(CGPointMake(forLength, 0))
    points.append(CGPointMake(tailLength, -headWidth/2))