syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"self.span_to_source(span,"}]}
source_snippet:         self.span_to_source(span, |src, start_index, end_index| {
context_before:     pub fn span_wrapped_by_angle_or_parentheses(&self, span: Span) -> bool {
context_after:             if src.get(start_index..end_index).is_none() {