altos/scheme: Replace per-type indexed stash with poly stash heap

Instead of having a random set of stash arrays with explicit indices
used by callers, just have a general heap. Less error prone, and less code.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/src/scheme/ao_scheme_stack.c b/src/scheme/ao_scheme_stack.c
index e29e2b68..863df3ca 100644
--- a/src/scheme/ao_scheme_stack.c
+++ b/src/scheme/ao_scheme_stack.c
@@ -199,13 +199,13 @@ ao_scheme_stack_copy(struct ao_scheme_stack *old)
 	struct ao_scheme_stack *n, *prev = NULL;
 
 	while (old) {
-		ao_scheme_stack_stash(0, old);
-		ao_scheme_stack_stash(1, new);
-		ao_scheme_stack_stash(2, prev);
+		ao_scheme_stack_stash(old);
+		ao_scheme_stack_stash(new);
+		ao_scheme_stack_stash(prev);
 		n = ao_scheme_stack_new();
-		prev = ao_scheme_stack_fetch(2);
-		new = ao_scheme_stack_fetch(1);
-		old = ao_scheme_stack_fetch(0);
+		prev = ao_scheme_stack_fetch();
+		new = ao_scheme_stack_fetch();
+		old = ao_scheme_stack_fetch();
 		if (!n)
 			return NULL;