Probably to be sure the value are set before the module is loaded?
Infact an use statement is exactly equivalent to: 

BEGIN { require Module; Module->import( LIST ); }

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The only way to do something before this is use a BEGIN block just before the use statement
L*
There are no rules, there are no thumbs..
Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.

In reply to Re: BEGIN block by Discipulus
in thread BEGIN block by Anonymous Monk

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