I think jq would be a better DSL for this, not least because it's easy to integrate libjq into C/C++/Rust programs. I've also been thinking of building a trivi

I think jq would be a better DSL for this, not least because it's easy to integrate libjq into C/C++/Rust programs. I've also been thinking of building a trivial little library to use jq for configuration files, where jq syntax is more convenient than JSON, and too where you can always write or alter configuration objects using path-based assignments, so you get to choose JSON-style or TOML-style.