public override Func <IUser, bool> VisitNotExp(BoolExprParser.NotExpContext context) { var f = Visit(context.children.Last()); return(user => !f(user)); }
/// <summary> /// Visit a parse tree produced by the <c>notExp</c> /// labeled alternative in <see cref="BoolExprParser.expr"/>. /// <para> /// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/> /// on <paramref name="context"/>. /// </para> /// </summary> /// <param name="context">The parse tree.</param> /// <return>The visitor result.</return> public virtual Result VisitNotExp([NotNull] BoolExprParser.NotExpContext context) { return(VisitChildren(context)); }