From 74097260aeac51cb2839d90f5cf7eb4c84c9124f Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 18 Dec 2001 08:40:33 +0000
Subject: * eval.c (rb_thread_schedule): should not select a thread which is  
 not yet initialized.

* variable.c (find_class_path): should initialize iv_tbl if it's
  NULL.

* class.c (rb_define_class): should return the existing class if
  the class is already defined and its superclass is ideintical to
  the specified superclass.

* class.c (rb_define_class_under): ditto.

* class.c (rb_define_module): should return the existing module if
  the module is already defined.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@1917 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

(limited to 'io.c')

diff --git a/io.c b/io.c
index 950d3fa1c6..2aeb43467a 100644
--- a/io.c
+++ b/io.c
@@ -2134,18 +2134,17 @@ rb_io_puts(argc, argv, out)
 	return Qnil;
     }
     for (i=0; i<argc; i++) {
-	switch (TYPE(argv[i])) {
-	  case T_NIL:
+	if (NIL_P(argv[i])) {
 	    line = rb_str_new2("nil");
-	    break;
-	  case T_ARRAY:
-	    rb_protect_inspect(io_puts_ary, argv[i], out);
-	    continue;
-	  default:
-	    line = argv[i];
-	    break;
 	}
-	line = rb_obj_as_string(line);
+	else {
+	    line = rb_check_convert_type(argv[i], T_ARRAY, "Array", "to_ary");
+	    if (!NIL_P(line)) {
+		rb_protect_inspect(io_puts_ary, line, out);
+		continue;
+	    }
+	    line = rb_obj_as_string(argv[i]);
+	}
 	rb_io_write(out, line);
 	if (RSTRING(line)->ptr[RSTRING(line)->len-1] != '\n') {
 	    rb_io_write(out, rb_default_rs);
-- 
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