A more normal way to use reduce would be to use the + operator in there, not +=. Using += could give the impression that the variable $a can be usefully modified within the block.

say reduce { $a + count_zeros($cgs,$b) } 0, <DATA>;

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use Moops; class Cow :rw { has name => (default => 'Ermintrude') }; say Cow->new->name

In reply to Re^2: Summing Variables in foreach loop by tobyink
in thread Summing Variables in foreach loop by ccelt09

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