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jazzdan/gist:00ac393db544f7c99732

Created April 25, 2015 15:34
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main.hh
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gistfile1.hh
<?hh
declare(strict_types=1);
function myLog(?string $message=null): string {
if ($message === null) {
return '';
} else {
return $message;
}
}
echo myLog("Hello world!\n");
echo myLog();
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