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use warnings; use strict; ... my $num = shift; return ++$num; }
use warnings; use Devel::Trace::Subs qw(trace trace_dump); # injected by Devel::Trac +e::Subs ... my $num = shift; return ++$num; }
$ENV{DTS_ENABLE} = 1; three(5); # this is the original call stack you're running trace_dump();
216 ... file: test.pl line: 22 package: main
$ENV{DTS_ENABLE} = 1; trace_dump();
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