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authorGurusamy Sarathy <gsar@engin.umich.edu>1996-09-04 02:54:56 +0000
committerAndy Dougherty <doughera@lafcol.lafayette.edu>1996-09-04 02:54:56 +0000
commit58e0a6aef843ff1011481f826c2a83b86bc9e67a (patch)
tree4d3657d456e0e76435a341feda756e3c551f8a46
parentd8d253f04ead39466658b138fa78f1ec8e7fc42a (diff)
downloadperl-58e0a6aef843ff1011481f826c2a83b86bc9e67a.tar.gz
Re: \ ( @array ) busted for lexical @array (once more)
-rw-r--r--op.c2
-rw-r--r--pod/perlref.pod7
-rwxr-xr-xt/op/ref.t26
3 files changed, 29 insertions, 6 deletions
diff --git a/op.c b/op.c
index 9ee7e292bf..b992fdef6f 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 dc10eedaf2..53e9f7da1a 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 38e34f002b..0787295dde 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
}