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<?hh // strict $addAll = $x ==> $y ==> $z ==> $x + $y + $z; echo (($addAll(1))(2))(3);
based on omprU
Output for 5.4.34 - 5.4.35
Parse error: syntax error, unexpected '$addAll' (T_VARIABLE) in /in/I8jau on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.32
<?hh // strict $addAll = $x ==> $y ==> $z ==> $x + $y + $z; echo (($addAll(1))(2))(3);