[ bullseye ]
虚包：libghc-data-default-dev-0.7.1.1-1a347
This is a virtual package. See the Debian policy for a definition of virtual packages.
负责填实 libghc-data-default-dev-0.7.1.1-1a347 的软件包
- libghc-data-default-dev
- class for types with a default value