From: Gurusamy Sarathy <gsar@engin.umich.edu>
Date: Wed, 4 Sep 1996 02:54:56 +0000 (+0000)
Subject: Re: \ ( @array ) busted for lexical @array (once more)
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=58e0a6aef843ff1011481f826c2a83b86bc9e67a;p=p5sagit%2Fp5-mst-13.2.git

Re: \ ( @array ) busted for lexical @array (once more)
---

diff --git a/op.c b/op.c
index 9ee7e29..b992fde 100644
--- a/op.c
+++ b/op.c
@@ -997,6 +997,8 @@ I32 type;
     case OP_PADAV:
     case OP_PADHV:
 	modcount = 10000;
+	if (type == OP_REFGEN && op->op_flags & OPf_PARENS)
+	    return op;		/* Treat \(@foo) like ordinary list. */
 	/* FALL THROUGH */
     case OP_PADSV:
 	modcount++;
diff --git a/pod/perlref.pod b/pod/perlref.pod
index dc10eed..53e9f7d 100644
--- a/pod/perlref.pod
+++ b/pod/perlref.pod
@@ -73,8 +73,11 @@ Note that taking a reference to an enumerated list is not the same
 as using square brackets--instead it's the same as creating
 a list of references!
 
-    @list = (\$a, \$b, \$c);  
-    @list = \($a, $b, $c);	# same thing!
+    @list = (\$a, \@b, \%c);  
+    @list = \($a, @b, %c);	# same thing!
+
+As a special case, C<\(@foo)> returns a list of references to the contents 
+of C<@foo>, not a reference to C<@foo> itself.  Likewise for C<%foo>.
 
 =item 3.
 
diff --git a/t/op/ref.t b/t/op/ref.t
index 38e34f0..0787295 100755
--- a/t/op/ref.t
+++ b/t/op/ref.t
@@ -1,6 +1,6 @@
 #!./perl
 
-print "1..41\n";
+print "1..47\n";
 
 # Test glob operations.
 
@@ -189,12 +189,30 @@ sub foo { print $_[1] }
 package WHATEVER;
 foo WHATEVER "ok 38\n";
 
+#
+# test the \(@foo) construct
+#
+package main;
+@foo = (1,2,3);
+@bar = \(@foo);
+@baz = \(1,@foo,@bar);
+print @bar == 3 ? "ok 39\n" : "not ok 39\n";
+print grep(ref($_), @bar) == 3 ? "ok 40\n" : "not ok 40\n";
+print @baz == 3 ? "ok 41\n" : "not ok 41\n";
+
+my(@fuu) = (1,2,3);
+my(@baa) = \(@fuu);
+my(@bzz) = \(1,@fuu,@baa);
+print @baa == 3 ? "ok 42\n" : "not ok 42\n";
+print grep(ref($_), @baa) == 3 ? "ok 43\n" : "not ok 43\n";
+print @bzz == 3 ? "ok 44\n" : "not ok 44\n";
+
 package FINALE;
 
 {
-    $ref3 = bless ["ok 41\n"];		# package destruction
-    my $ref2 = bless ["ok 40\n"];	# lexical destruction
-    local $ref1 = bless ["ok 39\n"];	# dynamic destruction
+    $ref3 = bless ["ok 47\n"];		# package destruction
+    my $ref2 = bless ["ok 46\n"];	# lexical destruction
+    local $ref1 = bless ["ok 45\n"];	# dynamic destruction
     1;					# flush any temp values on stack
 }