If you want to continue using constant, and you want to interpolate within a string, the only way I know of is using the array interpolations:

use constant SOME_CONSTANT => 'the value';
print "This is @{[SOME_CONSTANT]}\n";

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Within a hash key, treat it as a sub:

$h{&SOME_CONSTANT} = 'hash value';

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In reply to Re: Perl "Constants" by tprocter
in thread Perl "Constants" by zerohero

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