use v6-alpha; use Test; plan 6; ok Test::version_lt('6.2.12', '6.2.13'); ok Test::version_lt('6.2.13', '6.28.0'); ok Test::version_lt('6.2.13', '6.28'); ok Test::version_lt('0.42', '0.50'); ok Test::version_lt('0.001', '0.002'); ok Test::version_lt('-10.001', '0.000');