syntax_data: {"ast_node_type":"function","tokens":[{"end":80,"kind":"keyword","start":0,"text":"pub(crate)"}]}
source_snippet:     pub(crate) fn parse_polonius(slot: &mut Polonius, v: Option<&str>) -> bool {
context_before:     /// Parses whether polonius is enabled, and if so, which version.
context_after:         match v {