Is there a Swift alternative for NSLog(@“%s”, __PRETTY_FUNCTION__)

Question

In Objective C you can log the method that is being called using:

NSLog(@\"%s\", __PRETTY_FUNCTION__)

Usually this is used from a logging m

Answer 1

Swift 3.x+

If you don't want the entire file name then here's a quick fix for that.

func trace(fileName:String = #file, lineNumber:Int = #line, functionName:String = #function) -> Void {
    print("filename: \(fileName.components(separatedBy: "/").last!) function: \(functionName) line: #\(lineNumber)")
}

filename: ViewController.swift function: viewDidLoad() line: #42