public void Named_Test()
{
var needle = Fail <char>().Named("needle");
var haystack = (Any(), Any(), Any(), needle).First();
var result = FindParserVisitor.Named(haystack, "needle");
result.Success.Should().BeTrue();
result.Value.Should().BeSameAs(needle);
}
/// <summary> /// Recurse the tree searching for a parser with the given name. Returns a result with the /// parser if found, a failure flag otherwise. /// </summary> /// <param name="root"></param> /// <param name="name"></param> /// <returns></returns> public static IOption <IParser> FindNamed(this IParser root, string name) => FindParserVisitor.Named(root, name);