                 
                 for char in tmpLine.characters {
                     if char == "(" {
-                        ++startBracket
+                        startBracket += 1
                     }
                     if char == ")" {
-                        ++endBracket
+                        endBracket += 1
                     }
                 }
                 if startBracket == endBracket {

    }
    
    // MARK: - print result
    private func output<T>(source source: String?, comparison: Bool, lhs: T, rhs: T, fileName: String, lineNumber: Int, function: String) -> String {
        
        let title = "=== Assertion Failed ============================================="
        let file = "FILE: \(fileName)"

    }
    
    // MARK: - get literal
    private func getLiteral(source: String, lineNumber: UInt) -> String {
        var tmpLine = ""
        var literal = ""
        var lineIndex: UInt = 1
        var startBracket = 0
        var endBracket = 0
        
