p =. (, {.) p
which is no better than your method. But the straightforward
p =. p , {. p
would benefit from append-in-place.
Henry RIch
On 7/26/2012 3:46 AM, Linda Alvord wrote:
Is there a simpler way to close a list by returning to the first element. My
two ways are:
]P=:'ABCDEFGH'
ABCDEFGH
]Q=:(>:$P)$P
ABCDEFGHA
(>:#P)$P
ABCDEFGHA
]Q=:(>:$P)$P
ABCDEFGHA
]POLY=:2{\"1 Q
---T--T--T--T--T--T--T--┐
│AB│BC│CD│DE│EF│FG│GH│HA│
L--+--+--+--+--+--+--+---
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