Swift time profiler

Profiler.swift

import Foundation

@discardableResult
func measureTime<R>(name: String = #function, body: () -> R) -> R {
    #if DEBUG
        let startTime = CACurrentMediaTime()
        let result: R = body()
        let endTime = CACurrentMediaTime()
        print("execution time of \(name): \(endTime - startTime)")
        return result
    #else
        return body()
    #endif
}