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Documentation related to libtie-refhash-weak-perl
Description: Tie::RefHash subclass with weakened references in the keys
Tie::RefHash can be used to access hashes by reference. This is useful when
you index by object, for example.
The problem with Tie::RefHash, and cross indexing, is that sometimes the
index should not contain strong references to the objecs. The internal
structures of Tie::RefHash contain strong references to the key, and provide
no convenient means to make those references weak.
Tie::RefHash::Weak has weak keys, instead of strong ones. The values are left
unaltered, and you'll have to make sure there are no strong references there
yourself.
Homepage: https://metacpan.org/release/Tie-RefHash-Weak
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