Add initial prototype.

2-low/collada/source/collada-library.adb

@@ -0,0 +1,19 @@
+package body collada.Library
+is
+
+   function find_in (Self : Inputs;   the_Semantic : in library.Semantic) return Input_t
+   is
+   begin
+      for i in Self'Range
+      loop
+         if Self (i).Semantic = the_Semantic
+         then
+            return Self (i);
+         end if;
+      end loop;
+
+      return null_Input;
+   end find_in;
+
+
+end collada.Library;