syntax_data: {"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"ty::Closure(..)"}]}
source_snippet:             ty::Closure(..) => ExternAbi::RustCall,
context_before:             ty::FnDef(..) => body_ty.fn_sig(tcx).abi(),
context_after:             ty::CoroutineClosure(..) => ExternAbi::RustCall,