What you're describing here is remarkably similar to Jsonnet in syntax and style. Jsonnet is quite nice, imho! http://jsonnet.org/ http://jsonnet.org/ https:

What you're describing here is remarkably similar to Jsonnet in syntax and style. Jsonnet is quite nice, imho! http://jsonnet.org/ http://jsonnet.org/ https://github.com/google/jsonnet https://github.com/google/jsonnet