1 files changed, 47 insertions, 0 deletions
diff --git a/vere/pkg/noun/jets/f/flan.c b/vere/pkg/noun/jets/f/flan.c
new file mode 100644
index 0000000..319e1f0
--- /dev/null
+++ b/vere/pkg/noun/jets/f/flan.c
@@ -0,0 +1,47 @@
+/// @file
+
+#include "jets/q.h"
+#include "jets/w.h"
+
+#include "noun.h"
+
+
+  u3_noun
+  u3qf_flan(u3_noun bos,
+            u3_noun nif)
+  {
+    if ( c3y == u3r_sing(bos, nif) ) {
+      return u3k(bos);
+    }
+    if ( c3y == u3r_sing(1, u3h(bos)) ) {
+      if ( (u3_nul == u3t(bos)) ) {
+        return u3k(nif);
+      }
+      else return u3k(bos);
+    }
+    else {
+      if ( c3y == u3r_sing(1, u3h(nif)) ) {
+        if ( (u3_nul == u3t(nif)) ) {
+          return u3k(bos);
+        }
+        else return u3k(nif);
+      }
+      else {
+        return u3nq(6,
+                    u3k(bos),
+                    u3k(nif),
+                    u3nc(1, c3n));
+      }
+    }
+  }
+  u3_noun
+  u3wf_flan_139(u3_noun cor)
+  {
+    u3_noun bos, nif;
+
+    if ( c3n == u3r_mean(cor, u3x_sam_2, &bos, u3x_sam_3, &nif, 0) ) {
+      return u3m_bail(c3__fail);
+    } else {
+      return u3qf_flan(bos, nif);
+    }
+  }