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A very recent module which can help you with this is Sub::Information. To tell the truth, it uses B::Deparse (via Data::Dump::Streamer) to get the source code, but its rationale is to bring together a bunch of modules which collect information about code and offer a nice integrated API.

sub somecode {
   do { print "some stuff\n" }
}

use Sub::Information as => 'inspect';
my $code_info = inspect(\&somecode);
print $code_info->code;
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In reply to Re: Printing the code of a coderef by ferreira
in thread Printing the code of a coderef by Anonymous Monk

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