{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"let"}]}
    let place = parse_expr_from_str(&capture.display_place_source_code(ctx.db()), ctx.edition())
fn capture_as_arg(ctx: &AssistContext<'_>, capture: &ClosureCapture) -> ast::Expr {
        .expect("`display_place_source_code()` produced an invalid expr");