Demo of nix-let*

scheme --program <(echo '(import(rnrs)(pipchix base))(output-nix-ast (nix-let* ((`a ==> 1)(`b ==> (© `a))(`c ==> (© `b))) (© (© (© `c)))))')|nixfmt
(
  let
    a = (1);
  in
  (
    (
      let
        b = a;
      in
      (
        (
          let
            c = b;
          in
          ("${"${c}"}")
        )
      )
    )
  )
)