multiple-constructors – Tarik Billa

In Scala, how can I subclass a Java class with multiple constructors?

March 29, 2023 by Tarik

It’s easy to forget that a trait may extend a class. If you use a trait, you can postpone the decision of which constructor to call, like this: trait Extended extends Base { … } object Extended { def apply(arg1: Int) = new Base(arg1) with Extended def apply(arg2: String) = new Base(arg2) with Extended def … Read more

Best way to do multiple constructors in PHP

September 22, 2022 by Tarik

I’d probably do something like this: <?php class Student { public function __construct() { // allocate your stuff } public static function withID( $id ) { $instance = new self(); $instance->loadByID( $id ); return $instance; } public static function withRow( array $row ) { $instance = new self(); $instance->fill( $row ); return $instance; } protected … Read more