syntax_data: {"ast_node_type":"variable","tokens":[{"end":38,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let owner_id = impl_item.owner_id;
context_before: fn associated_item_from_impl_item(tcx: TyCtxt<'_>, impl_item: &hir::ImplItem<'_>) -> ty::AssocItem {
context_after:     let name = impl_item.ident.name;