{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"ExprOrPatId::ExprId(expr)"}]}
                ExprOrPatId::ExprId(expr) => source_map.expr_syntax(expr).map(Either::Left),
            let expr_or_pat = match pat_or_expr {
                ExprOrPatId::PatId(pat) => source_map.pat_syntax(pat).map(Either::Right),