1 files changed, 33 insertions, 0 deletions
diff --git a/vere/pkg/noun/xtract.c b/vere/pkg/noun/xtract.c
new file mode 100644
index 0000000..f18aa68
--- /dev/null
+++ b/vere/pkg/noun/xtract.c
@@ -0,0 +1,33 @@
+/// @file
+
+#include "xtract.h"
+
+#include "manage.h"
+#include "retrieve.h"
+
+u3_atom
+u3x_atom(u3_noun a);
+u3_noun
+u3x_good(u3_weak som);
+c3_o
+u3x_loob(u3_noun a);
+
+/* u3x_mean():
+**
+**   Attempt to deconstruct `a` by axis, noun pairs; 0 terminates.
+**   Axes must be sorted in tree order.
+*/
+void
+u3x_mean(u3_noun som, ...)
+{
+  c3_o    ret_o;
+  va_list ap;
+
+  va_start(ap, som);
+  ret_o = u3r_vmean(som, ap);
+  va_end(ap);
+
+  if ( c3n == ret_o ) {
+    u3m_bail(c3__exit);
+  }
+}