use_json_discriminator

require "json"
# Big thanks to @hzhzhzhz1111 for this useful example!
class Result
  include JSON::Serializable
  use_json_discriminator "type", {tenant: Tenant, dcim: DCIM}
  property type : String
end

class Tenant < Result
  property name : String
end

class DCIM < Result
  property name : String
end

class Results
  include JSON::Serializable
  property count : Int32
  property next : Int32?
  property previous : Int32?
  property results : Array(Result)
end

j = %({"count": 32, "next": null, "previous": null, "results": [{"type": "tenant", "name": "abc"}, {"type": "dcim", "name": "abc"}]})

p Results.from_json(j)