lib/generators/rails_services/templates/base_service_class.rb.erb
<%= 'module BaseService' %>
<%= 'def self.included(base)' %>
<%= 'base.extend ClassMethods' %>
<%= 'end' %>
<%= 'module ClassMethods' %>
<%= 'def call(*args, &block)' %>
<%= '@instance ||= self.new' %>
<%= '@instance.call *args, &block' %>
<%= 'end' %>
<%= 'end' %>
<%= 'end' %>