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Diffstat (limited to 'pod/perltie.pod')
| -rw-r--r-- | pod/perltie.pod | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/pod/perltie.pod b/pod/perltie.pod index 49bf98999c..b39d7d5336 100644 --- a/pod/perltie.pod +++ b/pod/perltie.pod @@ -310,14 +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 |