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));
}
