$ perl -Mstrict -Mwarnings -E '
require Const::Fast;                                                                                               
say $Const::Fast::VERSION;
say $INC{q{Const/Fast.pm}};
'
0.011
/Users/ken/perl5/perlbrew/perls/perl-5.14.2_WITH_THREADS/lib/site_perl/5.14.2/Const/Fast.pm

##</code><code>##

$ perl -Mstrict -Mwarnings -E '
unshift @INC => q{/Users/ken/perl5/perlbrew/perls/perl-5.14.2_WITH_THREADS/lib/site_perl/5.14.2};
require Const::Fast;
shift @INC;
say $Const::Fast::VERSION;
say $INC{q{Const/Fast.pm}};
'
0.011
/Users/ken/perl5/perlbrew/perls/perl-5.14.2_WITH_THREADS/lib/site_perl/5.14.2/Const/Fast.pm

##</code><code>##

$ perl -Mstrict -Mwarnings -E '
unshift @INC => q{/Users/ken/perl5/perlbrew//perls/perl-5.14.2/lib/site_perl/5.14.2};
require Const::Fast;
shift @INC;
say $Const::Fast::VERSION;
say $INC{q{Const/Fast.pm}};
'
0.008
/Users/ken/perl5/perlbrew//perls/perl-5.14.2/lib/site_perl/5.14.2/Const/Fast.pm