Benchmark Swift code execution

benchmarkSwift.swift

/*

The former will log out the time required for a given section of code, with the latter returning that as a float.
Read more : http://stackoverflow.com/questions/25006235/how-to-benchmark-swift-code-execution

*/

func printTimeElapsedWhenRunningCode(title:String, operation:()->()) {
  let startTime = CFAbsoluteTimeGetCurrent()
  operation()
  let timeElapsed = CFAbsoluteTimeGetCurrent() - startTime
  print("Time elapsed for \(title): \(timeElapsed)s")
}

func timeElapsedInSecondsWhenRunningCode(operation:()->()) -> Double {
  let startTime = CFAbsoluteTimeGetCurrent()
  operation()
  let timeElapsed = CFAbsoluteTimeGetCurrent() - startTime
  return Double(timeElapsed)
}

// Example
printTimeElapsedWhenRunningCode("linerSearh()") {
  linerSearh(5631)
}