Dhall is a programmable configuration language that can be described as JSON + functions + types + imports.
Changes:
- The syntax for expressions using ⫽ has been simplified.
- The syntax for nested expressions has been simplified.
- Support for leading separators has been added.
- Standardized support for denoting the completeness of records.
- Improved caching support in Windows.
- Types have been added to package.dhall files.
- Utilities added: List.{default,empty}, Map.empty, Optional.default.
- JSON.key {Text, Value} has been moved to Map.
Source: linux.org.ru
