Caesar cipher: Difference between revisions
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Using the built-in rotate() function on a number over a range, a number outside of the range will pass through unaltered.
<syntaxhighlight lang="langur">val
cp2s map(fn(
}
▲val .s = "A quick brown fox jumped over something."
▲val .key = 3
</syntaxhighlight>
▲writeln " original: ", .s
▲writeln "encrypted: ", .rot(.s, .key)
▲writeln "decrypted: ", .rot(.rot(.s, .key), -.key)</syntaxhighlight>
{{out}}
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