syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"!value.has_escaping_bound_vars(),"}]}
source_snippet:             !value.has_escaping_bound_vars(),
context_before:         assert!(
context_after:             "`{value:?}` has escaping bound vars, so it cannot be wrapped in a dummy binder."