An obsoleted diagnostic.

[p5sagit/p5-mst-13.2.git] / pod / perltie.pod

diff --git a/pod/perltie.pod b/pod/perltie.pod
index 95de3bb..b39d7d5 100644 (file)
--- a/pod/perltie.pod
+++ b/pod/perltie.pod
@@ -260,6 +260,10 @@ index whose value we're trying to fetch.
       return $self->{ARRAY}[$idx];
     }
 
+If a negative array index is used to read from an array, the index 
+will be translated to a positive one internally by calling FETCHSIZE
+before being passed to FETCH. 
+ 
 As you may have noticed, the name of the FETCH method (et al.) is the same
 for all accesses, even though the constructors differ in names (TIESCALAR
 vs TIEARRAY).  While in theory you could have the same class servicing
@@ -281,6 +285,8 @@ there.  For example:
       }
       return $self->{ARRAY}[$idx] = $value;
     }
+ 
+Negative indexes are treated the same as with FETCH.  
 
 =item DESTROY this
 
@@ -304,14 +310,14 @@ the following output demonstrates:
 
 =head2 Tying Hashes
 
-As the first Perl data type to be tied (see dbmopen()), hashes have the
-most complete and useful tie() implementation.  A class implementing a
-tied hash should define the following methods: TIEHASH is the constructor.
-FETCH and STORE access the key and value pairs.  EXISTS reports whether a
-key is present in the hash, and DELETE deletes one.  CLEAR empties the
-hash by deleting all the key and value pairs.  FIRSTKEY and NEXTKEY
-implement the keys() and each() functions to iterate over all the keys.
-And DESTROY is called when the tied variable is garbage collected.
+Hashes were the first Perl data type to be tied (see dbmopen()).  A class
+implementing a tied hash should define the following methods: TIEHASH is
+the constructor.  FETCH and STORE access the key and value pairs.  EXISTS
+reports whether a key is present in the hash, and DELETE deletes one.
+CLEAR empties the hash by deleting all the key and value pairs.  FIRSTKEY
+and NEXTKEY implement the keys() and each() functions to iterate over all
+the keys.  And DESTROY is called when the tied variable is garbage
+collected.
 
 If this seems like a lot, then feel free to inherit from merely the
 standard Tie::Hash module for most of your methods, redefining only the