diff options
Diffstat (limited to 'lib/Hash')
| -rw-r--r-- | lib/Hash/Util.pm | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/Hash/Util.pm b/lib/Hash/Util.pm index 0c8979d61b..90a8e5aaa5 100644 --- a/lib/Hash/Util.pm +++ b/lib/Hash/Util.pm @@ -59,10 +59,11 @@ This is intended to largely replace the deprecated pseudo-hashes. Restricts the given %hash's set of keys to @keys. If @keys is not given it restricts it to its current keyset. No more keys can be -added. delete() and exists() will still work, but it does not effect -the set of allowed keys. B<Note>: the current implementation does not -allow you to bless() the resulting hash, so if you want to use -lock_keys() for an object, you need to bless it prior to locking it. +added. delete() and exists() will still work, but will not alter +the set of allowed keys. B<Note>: the current implementation prevents +the hash from being bless()ed while it is in a locked state. Any attempt +to do so will raise an exception. Of course you can still bless() +the hash before you call lock_keys() so this shouldn't be a problem. unlock_keys(%hash); |