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$ time perl -e 'package foo; use Moose'
real    0m1.052s
...
real    0m0.008s
user    0m0.000s
sys    0m0.008s

$ time perl -e 'package foo; use Params::Validate'
real    0m0.066s
user    0m0.028s
sys    0m0.008s