use 5.016;
my @array = 0..5;
my @incremented = map { $_++ } @array;
say "@array";         # 1 2 3 4 5 6
say "@incremented";   # 0 1 2 3 4 5

my @array = 0..5;
my @doubled = map {$_ * 2} @array;
say "@array";         # 0 1 2 3 4 5
say "@doubled";       # 0 2 4 6 8 10