RosettaCodeData/Task/Caesar-cipher/K/caesar-cipher.k

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s:"there is a tide in the affairs of men"
caesar:{ :[" "=x; x; {x!_ci 97+!26}[y]@_ic[x]-97]}'
caesar[s;1]
"uifsf jt b ujef jo uif bggbjst pg nfo"