* eval.c (eval_init): register tuples as intrinsic.

* lib.c (tuples_func): New static function.
(tuples): New function.

* lib.h (tuples): Declared.

* txr.1: Documented.

1 files changed, 1 insertions, 0 deletions

diff --git a/eval.c b/eval.c
index 2720b76a..d9acfda4 100644
--- a/eval.c
+++ b/eval.c
@@ -3254,6 +3254,7 @@ void eval_init(void)
   reg_fun(intern(lit("last"), user_package), func_n1(last));
   reg_fun(intern(lit("flatten"), user_package), func_n1(flatten));
   reg_fun(intern(lit("flatten*"), user_package), func_n1(lazy_flatten));
+  reg_fun(intern(lit("tuples"), user_package), func_n3o(tuples, 2));
   reg_fun(intern(lit("memq"), user_package), func_n2(memq));
   reg_fun(intern(lit("memql"), user_package), func_n2(memql));
   reg_fun(intern(lit("memqual"), user_package), func_n2(memqual));