Records

• can be class or struct
• creates methods overrides for enforcing value equality instead of reference equality:
  • Object.Equals
  • Object.GetHashCode
  • operators
    • ==
    • !=
• implements IEquatable<> parameter
• implements ToString
• supports deconstruction
• supports with expression
• meant to be immutable

Positional records is a more concise syntax for record:

• primary constructor parameters match the positional parameters of the record declaration
• public init-only properties for each parameter

Further read:

https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/tutorials/records#characteristics-of-records