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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_ios59u7n992oqb6fu22se3712f, 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 />
static Set<S> nlLogic_allLHSEvalFragments(IfThen rule) {
  ret nlLogic_allLHSEvalFragments_visit(rule);
}

static Set<S> nlLogic_allLHSEvalFragments(L<IfThen> rules) {
  ret nlLogic_allLHSEvalFragments_visit(collect(rules, 'in));
}

static Set<S> nlLogic_allLHSEvalFragments_visit(O toVisit) {
  final new TreeSet<S> set;
  nlLogic_visit(toVisit, voidfunc(O o) {
    if (o cast Func) if (eq(o.name, 'eval)) set.add(o.arg.text());
  });
  ret set;
}