syntax_data: {"ast_node_type":"variable","tokens":[{"end":28,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if let Some(v) = v {
context_before:     pub(crate) fn parse_sanitizers(slot: &mut SanitizerSet, v: Option<&str>) -> bool {
context_after:             for s in v.split(',') {