/** Constante entière. */
public class ExpEntier extends Exp {
  public Integer value;
  public ExpEntier(Integer value) { this.value = value; }
  public String toString() { return super.toString() + "(" + value.toString() + ")"; }
  public Integer eval(){ return value; }
  public void accept(AstVisitor v) { v.visit(this); }
}