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<?hh function testY(){ for($i=0;$i<10;$i++) yeld $i; } foreach(testY() as $key) echo "$key\n";
Output for git.master, git.master_jit, rfc.property-hooks
<?hh function testY(){ for($i=0;$i<10;$i++) yeld $i; } foreach(testY() as $key) echo "$key\n";

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