aparler/RosettaCodeData
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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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Task/Caesar-cipher/D/caesar-cipher-3.d Normal file
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import std.stdio, std.ascii, std.string, std.algorithm;
string rot(in string s, in int key) pure nothrow @safe {
auto uppr = uppercase.dup.representation;
bringToFront(uppr[0 .. key], uppr[key .. $]);
auto lowr = lowercase.dup.representation;
bringToFront(lowr[0 .. key], lowr[key .. $]);
return s.translate(makeTrans(letters, assumeUTF(uppr ~ lowr)));
}
void main() {
enum key = 3;
immutable txt = "The five boxing wizards jump quickly";
writeln("Original: ", txt);
writeln("Encrypted: ", txt.rot(key));
writeln("Decrypted: ", txt.rot(key).rot(26 - key));
}