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-rw-r--r--src/scheme/ao_scheme_builtin.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/scheme/ao_scheme_builtin.c b/src/scheme/ao_scheme_builtin.c
index 397ce032..6f9e1390 100644
--- a/src/scheme/ao_scheme_builtin.c
+++ b/src/scheme/ao_scheme_builtin.c
@@ -198,6 +198,19 @@ ao_scheme_do_length(struct ao_scheme_cons *cons)
}
ao_poly
+ao_scheme_do_list_copy(struct ao_scheme_cons *cons)
+{
+ struct ao_scheme_cons *new;
+
+ if (!ao_scheme_check_argc(_ao_scheme_atom_length, cons, 1, 1))
+ return AO_SCHEME_NIL;
+ if (!ao_scheme_check_argt(_ao_scheme_atom_length, cons, 0, AO_SCHEME_CONS, 1))
+ return AO_SCHEME_NIL;
+ new = ao_scheme_cons_copy(ao_scheme_poly_cons(ao_scheme_arg(cons, 0)));
+ return ao_scheme_cons_poly(new);
+}
+
+ao_poly
ao_scheme_do_quote(struct ao_scheme_cons *cons)
{
if (!ao_scheme_check_argc(_ao_scheme_atom_quote, cons, 1, 1))