dineshba · May 19, 2018 14:49
diff --git a/extension.swift b/extension.swift
 extension Double { //swift class
    func half() -> Double {
       return self / 2
    }
 }

 1.3.half()          //0.6500000000000000
 1000.0.half()       // 500
 Double(999).half()  // 499.5
	extension Double { //swift class
	func half() -> Double {
	return self / 2
	}
	}

	1.3.half() //0.6500000000000000
	1000.0.half() // 500
	Double(999).half() // 499.5