OutputBase::Item.inheritedをBase::Item.inherit_class_instance_variableを使って再実装
OutputBase::Item.inheritedをBase::Item.inherit_class_instance_variableを使って再実装
taichi-ishitani/rgen,taichi-ishitani/rggen,taichi-ishitani/rggen,taichi-ishitani/rggen,taichi-ishitani/rggen,taichi-ishitani/rgen,taichi-ishitani/rgen