What Erica meant to write when showing off 1TBS

1tbs.4es

public extension Contextualizable {

    public func BuildContextError( items: Any...,
                                    file: String    = (__FILE__ as NSString).lastPathComponent,
                                function: String    = __FUNCTION__,
                                    line: Int       = __LINE__) -> CoreError {
        
            let reasons = items.map({"\($0)"}).joinWithSeparator(", ")
            let context = "\(function):\(self.dynamicType):\(file):\(line) "
        
            return CoreError(reasons, context)
    }
}