A similar question was
just asked. Modules like
strict and
warnings are
lexically scoped pragmas that disappear at the end of the current block. It takes trickery to work around that behavior, and you probably don't want to go there. Have you looked at
Modern::Perl?
constant is file-scoped. If you want your constants visible outside the file where you define them, you need to use
Exporter. Perl's module system is very flexible, but I'm afraid that means that it's not possible to give you a simple answer.
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