working

1 files changed, 34 insertions, 0 deletions

diff --git a/vere/pkg/noun/jets/b/flop.c b/vere/pkg/noun/jets/b/flop.c
new file mode 100644
index 0000000..0574e4e
--- /dev/null
+++ b/vere/pkg/noun/jets/b/flop.c
@@ -0,0 +1,34 @@
+/// @file
+
+#include "jets/k.h"
+#include "jets/q.h"
+#include "jets/w.h"
+
+#include "noun.h"
+
+u3_noun
+u3qb_flop(u3_noun a)
+{
+  u3_noun i, t = a, b = u3_nul;
+
+  while ( u3_nul != t ) {
+    u3x_cell(t, &i, &t);
+    b = u3nc(u3k(i), b);
+  }
+
+  return b;
+}
+
+u3_noun
+u3wb_flop(u3_noun cor)
+{
+  return u3qb_flop(u3x_at(u3x_sam, cor));
+}
+
+u3_noun
+u3kb_flop(u3_noun a)
+{
+  u3_noun b = u3qb_flop(a);
+  u3z(a);
+  return b;
+}