Method adoptCheck

basex-core/src/main/java/org/basex/query/var/Var.java:199–203

Tries to adopt the given type check. @param st type to check @return true if the check could be adopted, false otherwise

(final SeqType st)

   * @return {@code true} if the check could be adopted, {@code false} otherwise
   */
  public boolean adoptCheck(final SeqType st) {
    if(declType != null && !st.instanceOf(declType)) return declType.instanceOf(st);
    declType = st;
    return true;
  }

  @Override
  public void toXml(final QueryPlan plan) {