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Struct from JSON

require "json"

struct Person
  include JSON::Serializable

  getter name : String
  getter email : String
end

json_str = %{{"name": "Bar", "email": "bar@foobar.com"}}
prs = Person.from_json(json_str)
p! prs
p! prs.name
p! prs.email
prs # => Person(@name="Bar", @email="bar@foobar.com")
prs.name # => "Bar"
prs.email # => "bar@foobar.com"