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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_7fhq8gcpc6u8pts6lsjsk3mpbm, 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 />
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<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 />
concept Bla {
  int a, b;
}

svoid test_conceptsWithFieldLessThan() {
  new Concepts cc;
  indexConceptFieldDesc(cc, Bla, "a");
  Bla x = cnew(cc, Bla, a := 3, b := 3);
  for (int i : ll(5, 7))
    cnew(cc, Bla, a := i, b := i);
  assertEqualsVerbose(ll(x), conceptsWithFieldLessThan(cc, Bla, a := 5));
  assertEqualsVerbose(ll(x), conceptsWithFieldLessThan(cc, Bla, b := 5));
}