require "dry-types"
require "dry-schema"
Dry::Schema.load_extensions(:json_schema)

module Types
  include Dry.Types()
end

puts (Dry::Schema.Params do
  required(:_).value(Types::Hash.schema(
                       size: Types::Array.constrained(size: 5),
                       format: Types::String.constrained(format: /[A-Z]{2}/),
                       bool: Types::Bool,
                     ))
end).json_schema