• Use Cases for Hay
• Build systems
• Distro Package Definitions
• Init Daemon Service Definition
• Cluster Task Config
• App Server Configuration
• CI Services
• Containers Provisioning (both build and runtime)
• VM and infrastructure provisioning
• Data Structures / DSLs
• Languages (not platforms)
• Summary of Use Cases by Existing Language
• Concrete Examples of Configuraiton + Shell
• Appendix: Oil Builtins Using Blocks (not config)