New functions: nested-vec-of and nested-vec.

* eval.c (eval_init): Register nestd-vec-of and nested-vec
intrinsics.

* lib.[ch] (vec_allocate, vec_own, vec_init): New static functions.
(vector, copy_vec): Expressed in terms of new functions.
(nested_vec_of_v, nested_vec_v): New functions.

* args.[ch] (args_cat_from): New function.

* tests/010/vec.tl: New tests.

* txr.1: Documented.

1 files changed, 2 insertions, 0 deletions

diff --git a/eval.c b/eval.c
index c02704db..d53a20be 100644
--- a/eval.c
+++ b/eval.c
@@ -7684,6 +7684,8 @@ void eval_init(void)
   reg_fun(intern(lit("replace-vec"), user_package), func_n4o(replace_vec, 2));
   reg_fun(intern(lit("fill-vec"), user_package), func_n4o(fill_vec, 2));
   reg_fun(intern(lit("cat-vec"), user_package), func_n1(cat_vec));
+  reg_fun(intern(lit("nested-vec-of"), user_package), func_n1v(nested_vec_of_v));
+  reg_fun(intern(lit("nested-vec"), user_package), func_n0v(nested_vec_v));
 
   reg_fun(intern(lit("assoc"), user_package), func_n2(assoc));
   reg_fun(intern(lit("assql"), user_package), func_n2(assql));