syntax_data: {"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"write!(f,"}]}
source_snippet:                 write!(f, "'")?;
context_before:             ReBound(binder_id, bound_region) => {
context_after:                 crate::debug_bound_var(f, *binder_id, bound_region)