Graph Engine TSL Compiler is showing its age. Time to update the TSL Compiler #378

 /// <summary>
 /// Compares the equality of a Trinity GuidAccessor with a .NET Guid or another Trinity GuidAccessor.
 /// </summary>
 /// <param name="tgeGuidAccessor">The Trinity GuidAccessor being compared. Aligned with owl:Individual of class :GuidAccessor.</param>
 /// <param name="dotNetGuid">The .NET Guid or Trinity GuidAccessor to compare. Aligned with owl:unionOf(:Guid, :GuidAccessor).</param>
 /// <returns>A boolean value indicating equality. Aligned with xsd:boolean.</returns>
 /// <remarks>
 /// <para>
 /// Ontological Commitment:
 /// - owl:equivalentProperty :EqualsEx, :sameAs
 /// - rdfs:domain :GuidAccessor
 /// - rdfs:range xsd:boolean
 /// - skos:definition "Compares the equality of two GUID representations."
 /// </para>
 /// </remarks>
 public static class GuidAccessorExtensions
 {
 /// <summary>
 /// Compares the equality of a Trinity GuidAccessor with an object of type Guid or GuidAccessor.
 /// </summary>
 /// <param name="tgeGuidAccessor">The Trinity GuidAccessor being compared. Aligned with owl:Individual of class :GuidAccessor.</param>
 /// <param name="dotNetGuid">The object to compare, which can be either a .NET Guid or a Trinity GuidAccessor. Aligned with owl:unionOf(:Guid, :GuidAccessor).</param>
 /// <returns>A boolean value indicating equality. Aligned with xsd:boolean.</returns>
 /// <exception cref="ArgumentException">Thrown when the provided object is neither a .NET Guid nor a Trinity GuidAccessor.</exception>
 /// <remarks>
 /// <para>
 /// Ontological Commitment:
 /// - owl:equivalentProperty :EqualsEx, :sameAs
 /// - rdfs:domain :GuidAccessor
 /// - rdfs:range xsd:boolean
 /// - skos:definition "Compares the equality of two different representations of a GUID, one from Trinity and another from .NET, in a type-polymorphic fashion."
 /// </para>
 /// </remarks>
 public static bool EqualsEx(this GuidAccessor tgeGuidAccessor, object dotNetGuid)
 {
 switch (dotNetGuid)
 {
 case GuidAccessor guidAccessor:
 return tgeGuidAccessor.Value().Equals(guidAccessor.Value());
 case Guid guidValue:
 return tgeGuidAccessor.Value().Equals(guidValue);
 default:
 throw new ArgumentException("The provided object is neither a Guid nor a GuidAccessor", nameof(dotNetGuid));
 }
 }
 /// <summary>
 /// Compares the equality of a Trinity GuidAccessor with a .NET Guid.
 /// </summary>
 /// <param name="tgeGuidAccessor">The Trinity GuidAccessor being compared. Aligned with owl:Individual of class :GuidAccessor.</param>
 /// <param name="dotNetGuid">The .NET Guid to compare. Aligned with owl:Individual of class :Guid.</param>
 /// <returns>A boolean value indicating equality. Aligned with xsd:boolean.</returns>
 /// <remarks>
 /// <para>
 /// Ontological Commitment:
 /// - owl:equivalentProperty :EqualsEx, :sameAs
 /// - rdfs:domain :GuidAccessor
 /// - rdfs:range xsd:boolean
 /// - skos:definition "Compares the equality of a GUID from Trinity with a GUID from the .NET ecosystem."
 /// </para>
 /// </remarks>
 public static bool EqualsEx(this GuidAccessor tgeGuidAccessor, Guid dotNetGuid)
 {
 return tgeGuidAccessor.Value().Equals(dotNetGuid);
 }
 /// <summary>
 /// Converts a Trinity GuidAccessor to a .NET Guid.
 /// </summary>
 /// <param name="tgeGuidAccessor">The Trinity GuidAccessor to be converted. Aligned with owl:Individual of class :GuidAccessor.</param>
 /// <returns>A .NET Guid representation. Aligned with owl:Individual of class :Guid.</returns>
 /// <remarks>
 /// <para>
 /// Ontological Commitment:
 /// - owl:equivalentProperty :Value, :hasNETGuidRepresentation
 /// - rdfs:domain :GuidAccessor
 /// - rdfs:range :Guid
 /// - skos:definition "Converts a Trinity GuidAccessor to its corresponding .NET Guid representation."
 /// </para>
 /// <para>
 /// Functional Constraints:
 /// - F1: ToByteArray() is assumed to be a pure function. If it has side-effects, those should be isolated.
 /// </para>
 /// </remarks>
 private static Guid Value(this GuidAccessor tgeGuidAccessor)
 {
 // Assuming ToByteArray() is a pure function. If not, isolate side-effects.
 return new Guid(tgeGuidAccessor.ToByteArray());
 }
 }
}
`
 
 For more than a year now I have been re-writing the Graph Engine TSL compiler in my spare time but with the looming .NET 8 and new C# language enhancement on the horizon more time and energy must be devoted to completing the TSL compiler re-write.