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jenovateurs/Typage de retour covariant.php

Created December 1, 2019 11:16
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Nouveauté PHP 7.4 - Typage du retour covariant
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Typage de retour covariant.php
<?php
class Voiture {}
class Sport extends Voiture {}
class Consommateur {
public function achat(): Voiture {}
}
class Sportif extends Consommateur {
public function achat(): Sport {}
}
?>
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