Warning: session_start(): open(/var/lib/php/sessions/sess_5tqs6jpg77vk15f25h5uvisecj, O_RDWR) failed: No space left on device (28) in /var/www/tb-usercake/models/config.php on line 51

Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
static L concatLists_conservative(L a, L b) { if (empty(a)) ret b; if (empty(b)) ret a; ret concatLists(a, b); } static L concatLists_conservative(Collection a, Collection b) { if (empty(a) && b instanceof L) ret b/L; if (empty(b) && a instanceof L) ret a/L; ret concatLists(a, b); }