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9 lines
534 B
Text
9 lines
534 B
Text
Tie::Hash::TwoWay will take a list of one-way associations and
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transparently create their reverse. For instance, say you have a list
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of machines, and a list of classes that each machine belongs to.
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Tie::Hash::TwoWay will take the machines, one by one, with an associated
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array reference of class names, and build the reverse mapping of classes
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to machines. All the mappings are stored as hashes. You can access the
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secondary mappings as if they were hash keys in their own right.
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WWW: https://metacpan.org/release/Tie-Hash-TwoWay
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