JSON Schema support for excluded_from? and eql?

Support dry-validation
1

Curious why excluded_from? and eql? aren’t supported as mappings in schema_compiler.rb?

Figured eql? could just map to enum with a single value, right?
And excluded_from? could be mapped to {not: {enum: ->(v, _) { v.to_a }}}? Or something like that.

If the above are not possible, how would I go about defining an excluded_from? in JSON schema?

my_schema = Dry::Schema.JSON do
   required(:category_name).filled(:str?, excluded_from?: ["A", "B", "C"] })  # doesn't work
end
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