From 698f5f707c2db334a15c605bf1b0d0cff42b1224 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Wed, 19 Sep 2018 22:19:55 +0900
Subject: Removed `to_ary` conversion method.

---
 src/array.c | 27 +++++----------------------
 1 file changed, 5 insertions(+), 22 deletions(-)

(limited to 'src/array.c')

diff --git a/src/array.c b/src/array.c
index eddd9b2ac..084b48dc0 100644
--- a/src/array.c
+++ b/src/array.c
@@ -1058,7 +1058,7 @@ mrb_ary_rindex_m(mrb_state *mrb, mrb_value self)
 MRB_API mrb_value
 mrb_ary_splat(mrb_state *mrb, mrb_value v)
 {
-  mrb_value a, recv_class;
+  mrb_value a;
 
   if (mrb_array_p(v)) {
     return v;
@@ -1069,22 +1069,11 @@ mrb_ary_splat(mrb_state *mrb, mrb_value v)
   }
 
   a = mrb_funcall(mrb, v, "to_a", 0);
-  if (mrb_array_p(a)) {
-    return a;
-  }
-  else if (mrb_nil_p(a)) {
+  if (mrb_nil_p(a)) {
     return mrb_ary_new_from_values(mrb, 1, &v);
   }
-  else {
-    recv_class = mrb_obj_value(mrb_obj_class(mrb, v));
-    mrb_raisef(mrb, E_TYPE_ERROR, "can't convert %S to Array (%S#to_a gives %S)",
-      recv_class,
-      recv_class,
-      mrb_obj_value(mrb_obj_class(mrb, a))
-    );
-    /* not reached */
-    return mrb_undef_value();
-  }
+  mrb_ensure_array_type(mrb, a);
+  return a;
 }
 
 static mrb_value
@@ -1122,12 +1111,6 @@ mrb_ary_empty_p(mrb_state *mrb, mrb_value self)
   return mrb_bool_value(ARY_LEN(a) == 0);
 }
 
-MRB_API mrb_value
-mrb_check_array_type(mrb_state *mrb, mrb_value ary)
-{
-  return mrb_check_convert_type(mrb, ary, MRB_TT_ARRAY, "Array", "to_ary");
-}
-
 MRB_API mrb_value
 mrb_ary_entry(mrb_value ary, mrb_int offset)
 {
@@ -1181,7 +1164,7 @@ join_ary(mrb_state *mrb, mrb_value ary, mrb_value sep, mrb_value list)
           val = tmp;
           goto str_join;
         }
-        tmp = mrb_check_convert_type(mrb, val, MRB_TT_ARRAY, "Array", "to_ary");
+        tmp = mrb_check_array_type(mrb, val);
         if (!mrb_nil_p(tmp)) {
           val = tmp;
           goto ary_join;
-- 
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