libenum-perl - 1.11-1 main

The enum module defines a set of symbolic constants with ordered numeric
values ala C enum types.
.
It is now capable of creating ordered bitmask constants as well. See the
BITMASKS section in the documentation for details.
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What are they good for? Typical uses would be for giving mnemonic names to
indexes of arrays. Such arrays might be a list of months, days, or a return
value index from a function such as localtime().