From: Gurusamy Sarathy <gsar@cpan.org>
Date: Sun, 19 Jul 1998 06:56:19 +0000 (+0000)
Subject: add perltrap entry about "${#a}", as suggested by
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=c12982c86a2196a797f6a6b78ff87ba73a7de7fe;p=p5sagit%2Fp5-mst-13.2.git

add perltrap entry about "${#a}", as suggested by
andy barfoot <abarfoot@eng.auburn.edu>

p4raw-id: //depot/perl@1559
---

diff --git a/pod/perltrap.pod b/pod/perltrap.pod
index 1b954a3..852d8e9 100644
--- a/pod/perltrap.pod
+++ b/pod/perltrap.pod
@@ -650,6 +650,23 @@ Better parsing in perl 5
     # perl4 prints: is zero
     # perl5 warns: "Useless use of a constant in void context" if using -w
 
+=item * Parsing
+
+String interpolation of the C<$#array> construct differs when braces
+are to used around the name.
+
+    @ = (1..3);
+    print "${#a}";
+
+    # perl4 prints: 2
+    # perl5 fails with syntax error
+
+    @ = (1..3);
+    print "$#{a}";
+
+    # perl4 prints: {a}
+    # perl5 prints: 2
+
 =back
 
 =head2 Numerical Traps