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-rw-r--r--eval.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/eval.c b/eval.c
index 4de90576..675c1e04 100644
--- a/eval.c
+++ b/eval.c
@@ -5766,7 +5766,7 @@ static val abscond_star(val name, val retval)
}
static val map_common(val self, val fun, varg lists,
- loc (*collect_fn)(loc ptail, val obj),
+ void (*collect_fn)(seq_build_t *, val),
val (*map_fn)(val fun, val seq))
{
if (!args_more(lists, 0)) {
@@ -5778,8 +5778,11 @@ static val map_common(val self, val fun, varg lists,
val arg0 = args_at(lists, 0);
seq_iter_t *iter_array = coerce(seq_iter_t *,
alloca(argc * sizeof *iter_array));
+ seq_build_t out = { 0 };
args_decl(args_fun, max(argc, ARGS_MIN));
- list_collect_decl (out, otail);
+
+ if (collect_fn != 0)
+ seq_build_init(self, &out, arg0);
for (i = 0, idx = 0; i < argc; i++)
{
@@ -5795,7 +5798,7 @@ static val map_common(val self, val fun, varg lists,
seq_iter_t *iter = &iter_array[i];
if (!seq_get(iter, &elem))
- return collect_fn != 0 ? make_like(out, arg0) : nil;
+ return collect_fn != 0 ? seq_finish(&out) : nil;
args_fun->arg[i] = elem;
}
@@ -5806,14 +5809,14 @@ static val map_common(val self, val fun, varg lists,
fun_ret = generic_funcall(fun, args_fun);
if (collect_fn != 0)
- otail = collect_fn(otail, fun_ret);
+ collect_fn(&out, fun_ret);
}
}
}
val mapcarv(val fun, varg lists)
{
- return map_common(lit("mapcar"), fun, lists, list_collect, mapcar);
+ return map_common(lit("mapcar"), fun, lists, seq_add, mapcar);
}
val mapcarl(val fun, val list_of_lists)
@@ -5824,7 +5827,7 @@ val mapcarl(val fun, val list_of_lists)
static val mappendv(val fun, varg lists)
{
- return map_common(lit("mappend"), fun, lists, list_collect_append, mappend);
+ return map_common(lit("mappend"), fun, lists, seq_pend, mappend);
}
static val mapdov(val fun, varg lists)