pub fn docs_to_json(
stdlib: &[&'static StdEntry],
concepts: &[&'static ConceptEntry],
tutorial: &[&'static ConceptEntry],
) -> Result<String, String>pub fn docs_to_json(
stdlib: &[&'static StdEntry],
concepts: &[&'static ConceptEntry],
tutorial: &[&'static ConceptEntry],
) -> Result<String, String>