code: func Capture(userSkip int) Stacktrace {
  	var (
  		skip   = userSkip + 1 // add one for our own function
  		frames []Frame
  	)
  	for i := skip; ; i++ {
  		pc, file, line, ok := runtime.Caller(i)
  		if !ok {
  			break
  		}
  		frames = append(frames, NewFrame(pc, file, line))
  	}
  	return Stacktrace{
  		Frames: frames,
  	}
  }
docs: // Caputure captures a stacktrace for the current calling go program
  //
  // skip is the number of frames to skip