syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"ty::FnDef(..)"}]}
source_snippet:             ty::FnDef(..) => body_ty.fn_sig(tcx).abi(),
context_before:         let body_abi = match body_ty.kind() {
context_after:             ty::Closure(..) => ExternAbi::RustCall,