syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"start_or_continue(self,"}]}
source_snippet:                 start_or_continue(self, mode.start_str(), ", ");
context_before:             for var in value.bound_vars().iter() {
context_after:                 write!(self, "{var:?}")?;