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<?php interface ILog { public function log(string $message, ... $args) : void; } class Foo { public function __construct(ILog $logger) { $this->logger = $logger; } public function thing() { $this->logger->log("thing"); } } $logger = function (string $message, ... $args) implements ILog : void { printf("{$message}\n", ... $args); }; $foo = new Foo($logger); $foo->thing(); $logger("next thing");
Output for git.master_jit, git.master
Parse error: syntax error, unexpected token "implements", expecting "{" in /in/mOJXI on line 16
Process exited with code 255.

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