syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"ty::InstanceKind::ConstructCoroutineInClosureShim"}]}
source_snippet:         ty::InstanceKind::ConstructCoroutineInClosureShim { receiver_by_ref, .. } => {
context_before:         // `Instance::ty`/`Instance::def_id`.
context_after:             p.write_str(if receiver_by_ref { "{{by-move-shim}}" } else { "{{by-ref-shim}}" })