14:05 >perl -MData::Dump -wE "my @a = 't'; dd \@a;" ["t"] 14:13 >perl -MData::Dump -wE "my @a = 't', 'u'; dd \@a;" Useless use of a constant ("u") in void context at -e line 1. ["t"] 14:13 >perl -MData::Dump -wE "my @a = ('t', 'u'); dd \@a;" ["t", "u"] 14:13 >