syntax_data: {"ast_node_type":"variable","tokens":[{"end":63,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                     let field_ty = EarlyBinder::bind(local.ty);
context_before:                 .map(|local| {
context_after:                     let uninit_ty = Ty::new_maybe_uninit(tcx, field_ty.instantiate(tcx, args));