syntax_data: {"ast_node_type":"variable","tokens":[{"end":31,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let mut drop_shim =
context_before:             // If coroutine has no async drops, generating sync drop shim
context_after:                 create_coroutine_drop_shim(tcx, &transform, coroutine_ty, body, drop_clean);