We are quite successfully using Starlark for an embeddable, executable config language. For example, I can take a Starlark expression at the command line and us

We are quite successfully using Starlark for an embeddable, executable config language. For example, I can take a Starlark expression at the command line and use it to filter elements of a collection. https://github.com/bazelbuild/starlark https://github.com/bazelbuild/starlark