* array.c (rb_ary_first): call rb_ary_subseq() instead of pushing

  values by itself.  [ruby-talk:252062]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@12294 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 10 deletions

diff --git a/array.c b/array.c
index acc59d20b4..e2bbf2bb3c 100644
--- a/array.c
+++ b/array.c
@@ -748,17 +748,10 @@ rb_ary_first(argc, argv, ary)
 	return RARRAY(ary)->ptr[0];
     }
     else {
-	VALUE nv, result;
-	long n, i;
+	VALUE n;
 
-	rb_scan_args(argc, argv, "01", &nv);
-	n = NUM2LONG(nv);
-	if (n > RARRAY(ary)->len) n = RARRAY(ary)->len;
-	result = rb_ary_new2(n);
-	for (i=0; i<n; i++) {
-	    rb_ary_push(result, RARRAY(ary)->ptr[i]);
-	}
-	return result;
+	rb_scan_args(argc, argv, "01", &n);
+	return rb_ary_subseq(ary, 0, NUM2LONG(n));
     }
 }