From 7306e80da2a55da98965cdb2a9b580d2438ce017 Mon Sep 17 00:00:00 2001
From: pilfer-pandex <47340789+pilfer-pandex@users.noreply.github.com>
Date: Fri, 17 May 2019 15:16:19 -0700
Subject: [PATCH] decapitate mull:ut

---
 pkg/urbit/jets/f/ut_mull.c | 811 +------------------------------------
 1 file changed, 11 insertions(+), 800 deletions(-)

diff --git a/pkg/urbit/jets/f/ut_mull.c b/pkg/urbit/jets/f/ut_mull.c
index abd4859a9..900014aac 100644
--- a/pkg/urbit/jets/f/ut_mull.c
+++ b/pkg/urbit/jets/f/ut_mull.c
@@ -3,803 +3,6 @@
 */
 #include "all.h"
 
-/* functions
-*/
-  static u3_noun
-  _mull_in(u3_noun, u3_noun, u3_noun, u3_noun, u3_noun);
-
-  static u3_noun
-  _mull_bean()
-  {
-    return u3kf_fork(u3nt(u3nq(c3__atom, 'f', u3_nul, 0),
-                          u3nq(c3__atom, 'f', u3_nul, 1),
-                          u3_nul));
-  }
-
-  static u3_noun
-  _mull_loc(u3_noun van,
-            u3_noun loc)
-  {
-    u3_noun mol = u3nc('o', u3k(loc));
-    u3_noun sho = u3j_cook("_mull_loc-show", u3k(van), "show");
-    u3_noun ret = u3i_molt(u3k(sho), u3x_sam, u3k(mol), 0);
-
-    u3z(mol);
-    u3z(sho);
-
-    return ret;
-  }
-
-  static u3_noun
-  _mull_feel(u3_noun van,
-             u3_noun sut,
-             u3_noun rot)
-  {
-    u3_noun von = u3i_molt(u3k(van), u3x_sam, u3k(sut), 0);
-    u3_noun gat = u3j_hook(von, "feel");
-
-    return u3n_kick_on(u3i_molt(gat,
-                                u3x_sam,
-                                u3k(rot),
-                                0));
-  }
-
-  static u3_noun
-  _mull_tend(u3_noun vit)
-  {
-    if ( u3_nul == vit ) {
-      return 1;
-    } else {
-      u3_noun nex = _mull_tend(u3t(vit));
-
-      if ( u3_nul == u3h(vit) ) {
-        return nex;
-      } else {
-        u3_noun boy = u3qc_peg(u3t(u3h(vit)), nex);
-
-        u3z(nex);
-        return boy;
-      }
-    }
-  }
-  static u3_noun
-  _mull_cove(u3_noun nug)
-  {
-    if ( 0 == u3h(nug) ) {
-      return u3k(u3t(nug));
-    }
-    else if ( 11 == u3h(nug) ) {
-      return _mull_cove(u3t(u3t(nug)));
-    }
-    else {
-      return u3m_error("mull-cove");
-    }
-  }
-
-  static u3_noun
-  _mull_mile(u3_noun van,
-             u3_noun sut,
-             u3_noun dox,
-             u3_noun mel,
-             u3_noun nym,
-             u3_noun hud,
-             u3_noun dom)
-  {
-    u3_noun von = u3i_molt(u3k(van), u3x_sam, u3k(sut), 0);
-    u3_noun gat = u3j_hook(von, "mile");
-
-    // u3l_log("mile\r\n");
-    return u3n_kick_on(u3i_molt(gat,
-                                u3x_sam_2,
-                                u3k(dox),
-                                u3x_sam_6,
-                                u3k(mel),
-                                u3x_sam_14,
-                                u3k(nym),
-                                u3x_sam_30,
-                                u3k(hud),
-                                u3x_sam_31,
-                                u3k(dom),
-                                0));
-  }
-
-  static u3_noun
-  _mull_doke(u3_noun van,
-             u3_noun sut,
-             u3_noun gen)
-  {
-    u3_noun fug = u3qfu_mint(van, sut, c3__noun, gen);
-    u3_noun axe = _mull_cove(u3t(fug));
-
-    u3z(fug);
-    return axe;
-  }
-
-  static u3_noun
-  _mull_nice(u3_noun van,
-             u3_noun gol,
-             u3_noun typ)
-  {
-    if ( c3n == u3qfu_nest(van, gol, c3y, typ) ) {
-      // u3_noun dun = u3qfu_dunq(van, "need", gol);
-      // u3_noun niz = u3qfu_dunq(van, "have", typ);
-
-      // u3t_push(u3nc(c3__mean, dun));
-      // u3t_push(u3nc(c3__mean, niz));
-
-      return u3m_error("mull-nice");
-    }
-    else return typ;
-  }
-
-  static u3_noun
-  _mull_grow(u3_noun van,
-             u3_noun sut,
-             u3_noun gol,
-             u3_noun dox,
-             u3_atom mel,
-             u3_noun nym,
-             u3_noun hud,
-             u3_noun ruf,
-             u3_noun dom)
-  {
-    u3_noun dan = _mull_in(van, sut, c3__noun, dox, ruf);
-    u3_noun p_dan = u3h(dan);
-    u3_noun q_dan = u3t(dan);
-    u3_noun yaz   = _mull_mile(van, p_dan, q_dan, mel, nym, hud, dom);
-    u3_noun p_yaz = u3h(yaz);
-    u3_noun q_yaz = u3t(yaz);
-    u3_noun ret = u3nc(_mull_nice(van, gol, u3k(p_yaz)), u3k(q_yaz));
-
-    u3z(yaz);
-    u3z(dan);
-
-    return ret;
-  }
-
-  static u3_noun
-  _mull_both(u3_noun van,
-             u3_noun gol,
-             u3_noun typ)
-  {
-    return u3nc(_mull_nice(van, gol, u3k(typ)),
-                typ);
-  }
-
-#if 1
-  static u3_noun
-  _mull_cnts(u3_noun van,
-             u3_noun sut,
-             u3_noun gol,
-             u3_noun dox,
-             u3_noun hyp,
-             u3_noun rig)
-  {
-    u3_noun von = u3i_molt(u3k(van), u3x_sam, u3k(sut), 0);
-    u3_noun gat = u3j_cook("_mull_cnts-emul", von, "emul");
-
-    return u3n_kick_on(u3i_molt(gat,
-                                u3x_sam_2,
-                                u3k(gol),
-                                u3x_sam_6,
-                                u3k(dox),
-                                u3x_sam_14,
-                                u3k(hyp),
-                                u3x_sam_15,
-                                u3k(rig),
-                                0));
-  }
-#else
-  static u3_noun
-  _mull_edit(u3_noun van,
-             u3_noun sut,
-             u3_noun dox,
-             u3_noun mew,
-             u3_noun p_yom,
-             u3_noun q_yom)
-  {
-    while ( 1 ) {
-      if ( c3n == u3du(mew) ) {
-        return u3nc(p_yom, q_yom);
-      } else {
-        u3_noun i_mew = u3h(mew);
-        u3_noun t_mew = u3t(mew);
-        u3_noun pi_mew = u3h(i_mew);
-        u3_noun qi_mew = u3t(i_mew);
-        u3_noun zil = _mull_in(van, sut, c3__noun, dox, qi_mew);
-        u3_noun p_zil = u3h(zil);
-        u3_noun q_zil = u3t(zil);
-        u3_noun cuf = u3qfu_toss(van, sut, pi_mew, p_zil, p_yom);
-        u3_noun dof = u3qfu_toss(van, sut, pi_mew, q_zil, q_yom);
-
-        if ( u3r_sing(u3h(cuf), u3h(dof)) ) {
-          u3m_error("mull-bonk-a");
-        }
-
-        u3z(p_yom);
-        p_yom = u3k(u3t(cuf));
-
-        u3z(q_yom);
-        q_yom = u3k(u3t(dof));
-
-        u3z(dof);
-        u3z(cuf);
-        u3z(zil);
-
-        mew = t_mew;
-      }
-    }
-  }
-
-  static u3_noun
-  _mull_cnts_old(u3_noun van,
-                 u3_noun sut,
-                 u3_noun gol,
-                 u3_noun dox,
-                 u3_noun hyp,
-                 u3_noun rig)
-  {
-    u3_noun lar = u3qfu_seek(van, sut, c3__read, hyp);
-    u3_noun vug = u3qfu_seek(van, dox, c3__read, hyp);
-    u3_noun p_lar = u3h(lar);
-    u3_noun q_lar = u3t(lar);
-    u3_noun pq_lar = u3h(q_lar);
-    u3_noun qq_lar = u3t(q_lar);
-    u3_noun p_vug = u3h(vug);
-    u3_noun q_vug = u3t(vug);
-    u3_noun pq_vug = u3h(q_vug);
-    u3_noun qq_vug = u3t(q_vug);
-
-    if ( c3a(u3r_sing(p_lar, p_vug), u3r_sing(pq_lar, pq_vug)) ) {
-      u3m_error("mull-bonk-e");
-    }
-    {
-      u3_noun mew = rig;
-      u3_noun yom = _mull_edit
-        (van, sut, dox, mew, u3k(qq_lar),
-                                    u3k(qq_vug));
-      u3_noun von = u3i_molt(u3k(van), u3qfu_van_vet, c3n, 0);
-      u3_noun p_ret = u3qfu_fire(van, sut, u3h(yom));
-      u3_noun q_ret = u3qfu_fire(von, sut, u3t(yom));
-
-      u3z(von);
-      u3z(yom);
-      u3z(vug);
-      u3z(lar);
-
-      return u3nc(_mull_nice(van, gol, p_ret), q_ret);
-    }
-  }
-#endif
-
-# define _mull_used()
-
-  static u3_noun
-  _mull_in(u3_noun van,
-           u3_noun sut,
-           u3_noun gol,
-           u3_noun dox,
-           u3_noun gen)
-  {
-    u3_noun p_gen, q_gen, r_gen;
-    u3_noun ret;
-
-    if ( c3n == u3du(gen) ) {
-      u3_noun ter = u3r_at(u3x_con_3, van);
-      u3_noun fab = u3r_at(u3qfu_van_fab, van);
-      u3_noun rex = u3qfp_open(ter, fab, gen);
-
-      ret = _mull_in(van, sut, gol, dox, rex);
-      u3z(rex);
-
-      return ret;
-    }
-    else if ( c3y == u3du(u3h(gen)) ) {
-      _mull_used();
-      {
-        u3_noun hed = _mull_in(van, sut, c3__noun, dox, u3h(gen));
-        u3_noun tal = _mull_in(van, sut, c3__noun, dox, u3t(gen));
-        u3_noun dis = u3qf_cell(u3h(hed), u3h(tal));
-        u3_noun dat = u3qf_cell(u3t(hed), u3t(tal));
-        u3_noun ret = u3nc(_mull_nice(van, gol, dis), dat);
-
-        u3z(tal);
-        u3z(hed);
-
-        return ret;
-      }
-    }
-    else switch ( u3h(gen) ) {
-      default: {
-        u3_noun ter = u3r_at(u3x_con_3, van);
-        u3_noun fab = u3r_at(u3qfu_van_fab, van);
-        u3_noun rex = u3qfp_open(ter, fab, gen);
-
-        if ( c3y == u3r_sing(rex, gen) ) {
-#if 1
-          u3_noun zix = u3qfu_shep(van, "gene", 'q', u3k(gen));
-
-          u3t_push(u3nc(c3__mean, zix));
-          return u3m_error("mull-open");
-#else
-          u3_err("h", u3h(gen));
-          return u3m_bail(c3__fail);
-#endif
-        }
-        ret = _mull_in(van, sut, gol, dox, rex);
-        u3z(rex);
-
-        return ret;
-      }
-
-      case c3__fits: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun p_waz = u3qfu_play(van, sut, p_gen);
-        u3_noun q_waz = u3qfu_play(van, dox, p_gen);
-        u3_noun dok   = u3nc(c3__wing, u3k(q_gen));
-        u3_noun p_syx = _mull_doke(van, sut, dok);
-        u3_noun q_syx = _mull_doke(van, dox, dok);
-        u3_noun p_pov = u3qfu_fish(van, p_waz, p_syx);
-        u3_noun q_pov = u3qfu_fish(van, q_waz, q_syx);
-
-        if ( (c3n == u3r_sing(p_syx, q_syx)) ||
-             (c3n == u3r_sing(p_pov, q_pov)) )
-        {
-          return u3m_error("mull-bonk-b");
-        }
-        u3z(p_waz); u3z(q_waz);
-        u3z(p_syx); u3z(q_syx);
-        u3z(p_pov); u3z(q_pov);
-        u3z(dok);
-
-        return _mull_both(van, gol, _mull_bean());
-      }
-
-      case c3__wthx: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun hyp = u3nc(u3nc(c3y, 1), u3k(q_gen));
-        u3_noun fid = u3qfu_find(van, sut, c3__free, hyp);
-        u3_noun gax = u3qfu_find(van, dox, c3__free, hyp);
-        u3_noun old_type, old_axis;
-        u3_noun new_type, new_axis;
-
-        {
-          if ( c3y != u3h(fid) ) {
-            return u3m_error("mull-bonk-x");
-          }
-          else {
-            u3_noun pp_fid = u3h(u3t(fid));
-            u3_noun qp_fid = u3t(u3t(fid));
-
-            if ( c3y != u3h(qp_fid) ) {
-              return u3m_error("mull-bonk-x");
-            }
-            new_type = u3t(qp_fid);
-            new_axis = _mull_tend(pp_fid);
-          }
-        }
-
-        {
-          if ( c3y != u3h(gax) ) {
-            return u3m_error("mull-bonk-x");
-          }
-          else {
-            u3_noun pp_gax = u3h(u3t(gax));
-            u3_noun qp_gax = u3t(u3t(gax));
-
-            if ( c3y != u3h(qp_gax) ) {
-              return u3m_error("mull-bonk-x");
-            }
-            old_type = u3t(qp_gax);
-            old_axis = _mull_tend(pp_gax);
-          }
-        }
-        if ( c3n == u3r_sing(old_axis, new_axis) ) {
-          return u3m_error("mull-bonk-x");
-        }
-        else if ( c3n == u3qfu_nest(van, old_type, c3y, new_type) ) {
-          return u3m_error("mull-bonk-x");
-        }
-
-        u3z(old_axis);
-        u3z(new_axis);
-        u3z(gax);
-        u3z(fid);
-
-        return _mull_both(van, gol, _mull_bean());
-      }
-
-      case c3__wtcl: u3x_trel(u3t(gen), &p_gen, &q_gen, &r_gen);
-      _mull_used();
-      {
-        u3_noun bol = _mull_bean();
-        u3_noun nor = _mull_in(van, sut, bol, dox, p_gen);
-        u3_noun p_fex = u3qfu_gain(van, sut, p_gen);
-        u3_noun q_fex = u3qfu_gain(van, dox, p_gen);
-        u3_noun p_wux = u3qfu_lose(van, sut, p_gen);
-        u3_noun q_wux = u3qfu_lose(van, dox, p_gen);
-        u3_noun hiq, ran;
-        u3_noun dis, dat;
-        u3_noun ret;
-
-        if ( c3__void == p_fex ) {
-          hiq = u3nc(c3__void,
-                     (c3__void == q_fex)
-                        ? c3__void
-                        : u3qfu_play(van, q_fex, q_gen));
-        } else if ( c3__void == q_fex ) {
-          hiq = u3m_error("mull-bonk-c");
-        }
-        else hiq = _mull_in(van, p_fex, gol, q_fex, q_gen);
-
-        if ( c3__void == p_wux ) {
-          ran = u3nc(c3__void,
-                     (c3__void == q_wux)
-                        ? c3__void
-                        : u3qfu_play(van, q_wux, r_gen));
-        } else if ( c3__void == q_wux ) {
-          ran = u3m_error("mull-bonk-d");
-        }
-        else ran = _mull_in(van, p_wux, gol, q_wux, r_gen);
-
-        dis = u3qf_forq(u3h(hiq), u3h(ran));
-        dat = u3qf_forq(u3t(hiq), u3t(ran));
-
-        ret = u3nc(_mull_nice(van, gol, dis), dat);
-
-        u3z(ran);
-        u3z(hiq);
-        u3z(q_wux);
-        u3z(p_wux);
-        u3z(q_fex);
-        u3z(p_fex);
-        u3z(nor);
-        u3z(bol);
-
-        return ret;
-      }
-
-      case c3__clhp: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun hed = _mull_in(van, sut, c3__noun, dox, p_gen);
-        u3_noun tal = _mull_in(van, sut, c3__noun, dox, q_gen);
-        u3_noun dis = u3qf_cell(u3h(hed), u3h(tal));
-        u3_noun dat = u3qf_cell(u3t(hed), u3t(tal));
-        u3_noun ret = u3nc(_mull_nice(van, gol, dis), dat);
-
-        u3z(tal);
-        u3z(hed);
-
-        return ret;
-      }
-
-      case c3__dtts: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun hed = _mull_in(van, sut, c3__noun, dox, p_gen);
-        u3_noun tal = _mull_in(van, sut, c3__noun, dox, q_gen);
-
-        u3z(hed);
-        u3z(tal);
-
-        return _mull_both(van, gol, _mull_bean());
-      }
-
-      case c3__dtwt: p_gen = u3t(gen);
-      _mull_used();
-      {
-        u3_noun vay = _mull_in(van, sut, c3__noun, dox, p_gen);
-
-        u3z(vay);
-        return _mull_both(van, gol, _mull_bean());
-      }
-
-      case c3__dtkt: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun nog = u3nc(c3__kttr, u3k(p_gen));
-        u3_noun vay = _mull_in(van, sut, c3__noun, dox, q_gen);
-        u3_noun ret;
-
-        u3z(vay);
-        ret = _mull_in(van, sut, gol, dox, nog);
-        u3z(nog);
-        return ret;
-      }
-
-      case c3__dtls: p_gen = u3t(gen);
-      _mull_used();
-      {
-        u3_noun wuq = u3nt(c3__atom, u3_blip, u3_nul);
-        u3_noun vay = _mull_in(van, sut, wuq, dox, p_gen);
-
-        u3z(vay);
-        return _mull_both(van, gol, wuq);
-      }
-
-      case c3__rock: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun typ = u3qfu_play(van, sut, gen);
-
-        return _mull_both(van, gol, typ);
-      }
-
-      case c3__dttr: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun hed = _mull_in(van, sut, c3__noun, dox, p_gen);
-        u3_noun tal = _mull_in(van, sut, c3__noun, dox, q_gen);
-
-        u3z(hed);
-        u3z(tal);
-
-        return _mull_both(van, gol, c3__noun);
-      }
-
-      case c3__sand: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun typ = u3qfu_play(van, sut, gen);
-        return _mull_both(van, gol, typ);
-      }
-
-      case c3__hand: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        return u3nc(u3k(p_gen), u3k(p_gen));
-      }
-
-      case c3__ktbr: p_gen = u3t(gen);
-      _mull_used();
-      {
-        u3_noun vat = _mull_in(van, sut, gol, dox, p_gen);
-        u3_noun pro = u3nc(u3qfu_wrap(van,
-                                      u3h(vat),
-                                      c3__iron),
-                           u3qfu_wrap(van,
-                                      u3t(vat),
-                                      c3__iron));
-
-        u3z(vat);
-        return pro;
-      }
-
-      case c3__ktpd:
-      case c3__ktpm: p_gen = u3t(gen);
-      _mull_used();
-      {
-        u3_noun vat = _mull_in(van, sut, gol, dox, p_gen);
-        u3_noun pro = u3nc(u3qfu_wrap(van,
-                                      u3h(vat),
-                                      c3__zinc),
-                           u3qfu_wrap(van,
-                                      u3t(vat),
-                                      c3__zinc));
-
-        u3z(vat);
-        return pro;
-      }
-
-      case c3__ktwt: p_gen = u3t(gen);
-      _mull_used();
-      {
-        u3_noun vat = _mull_in(van, sut, gol, dox, p_gen);
-        u3_noun pro = u3nc(u3qfu_wrap(van,
-                                      u3h(vat),
-                                      c3__lead),
-                           u3qfu_wrap(van,
-                                      u3t(vat),
-                                      c3__lead));
-
-        u3z(vat);
-        return pro;
-      }
-
-      case c3__note: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun vat = _mull_in(van, sut, gol, dox, q_gen);
-        u3_noun hit = u3nc(u3k(sut), u3k(p_gen));
-        u3_noun hix = u3nc(u3k(dox), u3k(p_gen));
-        u3_noun ret = u3nc(u3qf_hint(hit, u3h(vat)),
-                           u3qf_hint(hix, u3t(vat)));
-
-        u3z(hix);
-        u3z(hit);
-        u3z(vat);
-        return ret;
-      }
-
-      case c3__tune: p_gen = u3t(gen);
-      _mull_used();
-      {
-        return u3nc(u3qf_face(p_gen, sut),
-                    u3qf_face(p_gen, dox));
-      }
-
-      case c3__ktsg: p_gen = u3t(gen);
-      _mull_used();
-      {
-        return _mull_in(van, sut, gol, dox, p_gen);
-      }
-
-      case c3__ktls: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun p_hif = _mull_nice(van, gol, u3qfu_play(van, sut, p_gen));
-        u3_noun q_hif = u3qfu_play(van, dox, p_gen);
-        u3_noun zel = _mull_in(van, sut, p_hif, dox, q_gen);
-        u3_noun ret = u3nc(p_hif, q_hif);
-
-        u3z(zel);
-        return ret;
-      }
-
-      case c3__tsbn: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun lem = _mull_in(van, sut, c3__noun, dox, p_gen);
-        u3_noun p_lem = u3h(lem);
-        u3_noun q_lem = u3t(lem);
-        u3_noun ret = _mull_in(van, p_lem, gol, q_lem, q_gen);
-
-        u3z(lem);
-        return ret;
-      }
-
-      case c3__tscm: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun boc = u3qfu_busk(van, sut, p_gen);
-        u3_noun nuf = u3qfu_busk(van, dox, p_gen);
-        u3_noun ret = _mull_in(van, boc, gol, nuf, q_gen);
-
-        u3z(boc);
-        u3z(nuf);
-
-        return ret;
-      }
-
-      case c3__cnts: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        return _mull_cnts(van, sut, gol, dox, p_gen, q_gen);
-      }
-
-      case c3__brcn: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun ruf = u3nc(u3_nul, 1);
-
-        ret = _mull_grow
-          (van, sut, gol, dox, c3__gold, p_gen, c3__dry, ruf, q_gen);
-        u3z(ruf);
-
-        return ret;
-      }
-
-      case c3__brvt: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun ruf = u3nc(u3_nul, 1);
-
-        ret = _mull_grow
-          (van, sut, gol, dox, c3__gold, p_gen, c3__wet, ruf, q_gen);
-        u3z(ruf);
-
-        return ret;
-      }
-
-      case c3__sgzp: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun typ = u3qfu_play(van, sut, p_gen);
-        u3_noun dug = u3qfu_duck(van, typ);
-        u3_noun ret;
-
-        u3t_push(u3nc(c3__mean, dug));
-        {
-          ret = _mull_in(van, sut, gol, dox, q_gen);
-        }
-        u3t_drop();
-
-        u3z(typ);
-        return ret;
-      }
-
-      case c3__sgbn: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        return _mull_in(van, sut, gol, dox, q_gen);
-      }
-
-      case c3__zpcm: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun p_ret = u3qfu_play(van, sut, p_gen);
-        u3_noun q_ret = u3qfu_play(van, sut, q_gen);
-
-        return u3nc(_mull_nice(van, gol, p_ret),
-                    q_ret);
-      }
-
-      case c3__dbug: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      {
-        u3_noun ret;
-
-        u3t_push(u3nc(c3__mean, _mull_loc(van, p_gen)));
-        {
-          ret = _mull_in(van, sut, gol, dox, q_gen);
-        }
-        u3t_drop();
-        return ret;
-      }
-
-      case c3__zpts: p_gen = u3t(gen);
-      _mull_used();
-      {
-        return _mull_both(van, gol, c3__noun);
-      }
-
-      case c3__ktcn: p_gen = u3t(gen);
-      _mull_used();
-      {
-        u3_noun von = u3i_molt(u3k(van), u3qfu_van_fab, c3n, 0);
-        u3_noun ret = _mull_in(von, sut, gol, dox, p_gen);
-
-        u3z(von);
-        return ret;
-      }
-
-      case c3__zpmc:
-      case c3__zpsm: u3x_cell(u3t(gen), &p_gen, &q_gen);
-      _mull_used();
-      {
-        u3_noun p_zur = u3qfu_play(van, sut, p_gen);
-        u3_noun q_zur = u3qfu_play (van, dox, p_gen);
-        u3_noun vos = _mull_in(van, sut, c3__noun, dox, q_gen);
-        u3_noun p_ret = u3qf_cell(p_zur, u3h(vos));
-        u3_noun q_ret = u3qf_cell(q_zur, u3t(vos));
-
-        u3z(vos);
-        u3z(q_zur);
-        u3z(p_zur);
-
-        return u3nc
-          (_mull_nice(van, gol, p_ret), q_ret);
-      }
-      case c3__zpvt: u3x_trel(u3t(gen), &p_gen, &q_gen, &r_gen);
-      _mull_used();
-      {
-        c3_o fes = _mull_feel(van, sut, p_gen);
-        c3_o fed = _mull_feel(van, dox, p_gen);
-
-        if ( fes != fed ) {
-          return u3m_error("mull-bonk-f");
-        }
-        else {
-          if ( c3y == fes ) {
-            return _mull_in(van, sut, gol, dox, q_gen);
-          } else {
-            return _mull_in(van, sut, gol, dox, r_gen);
-          }
-        }
-      }
-
-      case c3__lost:
-      case c3__fail:
-      case c3__zpzp:
-      _mull_used();
-      {
-        return u3nc(c3__void, c3__void);
-      }
-    }
-  }
-
   static u3_noun
   _cqfu_mull(u3_noun van,
              u3_noun sut,
@@ -807,8 +10,16 @@
              u3_noun dox,
              u3_noun gen)
   {
-    return _mull_in(van, sut, gol, dox, gen);
-  }
+    u3_noun von = u3i_molt(u3k(van), u3x_sam, u3k(sut), 0);
+    u3_noun gat = u3j_cook("_cqfu_mull-mull", von, "mull");
+
+    gat = u3i_molt(gat,
+                   u3x_sam_2, u3k(gol),
+                   u3x_sam_6, u3k(dox),
+                   u3x_sam_7, u3k(gen),
+                   0);
+
+    return u3n_nock_on(gat, u3k(u3x_at(u3x_bat, gat)));  }
 
 /* boilerplate
 */
@@ -826,7 +37,7 @@
     {
       return u3m_bail(c3__fail);
     } else {
-      return _cqfu_mull(van, sut, gol, dox, gen);
+      return u3qfu_mull(van, sut, gol, dox, gen);
     }
   }