public static IEnumerable <TResult> VisitBinary <TLetter, TBinaryNode, TContext, TResult>(this RxNode <TLetter> node, IRegexVisitor <TLetter, TContext, TResult> visitor, TContext context)
where TBinaryNode : RxBinaryNode <TLetter>
where TLetter : IEquatable <TLetter>, IComparable <TLetter>
{
if (node is TBinaryNode binaryNode)
{
return(binaryNode.Left.VisitBinary <TLetter, TBinaryNode, TContext, TResult>(visitor, context)
.Concat(binaryNode.Right.VisitBinary <TLetter, TBinaryNode, TContext, TResult>(visitor, context)));
}
return(new[] { node.Visit(visitor, context) });
}
public static RxNode <TLetter> Optimize <TLetter>(this RxNode <TLetter> node)
where TLetter : IEquatable <TLetter>, IComparable <TLetter>
{
return(node.Visit(new OptimizerVisitor <TLetter>(), null));
}
