13:20 >perl -wE "my $y = ('a', 'b'); say $y;"
Useless use of a constant ("a") in void context at -e line 1.
b

13:20 >perl -wE "my $y = 'a', 'b'; say $y;"
Useless use of a constant ("b") in void context at -e line 1.
a

13:20 >

##</code><code>##

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 >