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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
sclass UniqueString implements CharSequence { S s; private *() {} *(S *s, bool dummy) {} // avoid accidental calling toString { ret s; } public char charAt(int index) { ret s.charAt(index); } public int length() { ret s.length(); } public CharSequence subSequence(int start, int end) { ret uniqueString(s.substring(start, end)); } }