1 files changed, 52 insertions, 0 deletions
diff --git a/vere/pkg/noun/jets/d/in_rep.c b/vere/pkg/noun/jets/d/in_rep.c
new file mode 100644
index 0000000..fafdad5
--- /dev/null
+++ b/vere/pkg/noun/jets/d/in_rep.c
@@ -0,0 +1,52 @@
+/// @file
+
+#include "jets/q.h"
+#include "jets/w.h"
+
+#include "noun.h"
+
+//  [a] and [out] are TRANSFERRED
+//
+static void
+_in_rep(u3_noun a, u3j_site* sit_u, u3_noun* out)
+{
+  if ( u3_nul == a ) {
+    return;
+  }
+  else {
+    u3_noun n_a, l_a, r_a;
+    u3x_trel(a, &n_a, &l_a, &r_a);
+
+    u3k(n_a);
+    u3k(l_a);
+    u3k(r_a);
+
+    *out = u3j_gate_slam(sit_u, u3nc(n_a, *out));
+
+    _in_rep(l_a, sit_u, out);
+    _in_rep(r_a, sit_u, out);
+
+    u3z(a);
+  }
+}
+
+u3_noun
+u3qdi_rep(u3_noun a, u3_noun b)
+{
+  u3_noun    out = u3k(u3x_at(u3x_sam_3, b));
+  u3j_site sit_u;
+
+  u3j_gate_prep(&sit_u, u3k(b));
+  _in_rep(u3k(a), &sit_u, &out);
+  u3j_gate_lose(&sit_u);
+
+  return out;
+}
+
+u3_noun
+u3wdi_rep(u3_noun cor)
+{
+  u3_noun a, b;
+  u3x_mean(cor, u3x_sam, &b, u3x_con_sam, &a, 0);
+  return u3qdi_rep(a, b);
+}