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-rw-r--r--challenge-251/mark-anderson/raku/ch-1.raku2
1 files changed, 1 insertions, 1 deletions
diff --git a/challenge-251/mark-anderson/raku/ch-1.raku b/challenge-251/mark-anderson/raku/ch-1.raku
index 6b938ecd27..59d0543404 100644
--- a/challenge-251/mark-anderson/raku/ch-1.raku
+++ b/challenge-251/mark-anderson/raku/ch-1.raku
@@ -7,5 +7,5 @@ is concat-val([1,2,10]), 112;
sub concat-val(@a)
{
- [+] map { @a.shift ~ (@a.pop || Empty) }, ^(@a / 2)
+ sum do while @a { @a.shift ~ (@a.pop || Empty) }
}