<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_7vsqva9mku3f0ue5dispa38upl, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
!7

!include once #1019844 // BetterStringBuffer

p-exp {
  BetterStringBuffer buf;
  final Var<Int> count = new(0);
  buf.onChange = ll(r { incIntVar(count) });
  
  assertEquals(0L, buf.changes);
  buf.append("yo");
  assertEquals(1L, buf.changes);
  buf.append(' ');
  buf.append("what");
  assertEquals(3L, buf.changes);
  assertEquals(3, count!);
  assertEqualsVerbose("yo what", str(buf));
}