gistfile1.cr

{% begin %}
macro def_converter(name)
  \{% class_name = "Test".id %}
  MagicJSON.conv_name_to_class_path :class_name, \{{name}}

  module \{{class_name}}
    \{{ yield }}

    extend self
  end

  \{% CONVERTERS[":#{name.id}".id] = class_name.stringify %}
end
{% end %}