11 lines
318 B
Text
11 lines
318 B
Text
rle3(S) = RLE =>
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rle3(S.tail(),S[1],1,[],RLE).
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rle3([],LastChar,Count,RLE1,RLE) =>
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RLE = (RLE1 ++ [Count.to_string(),LastChar.to_string()]).join('').
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rle3([C|T],LastChar,Count,RLE1,RLE) =>
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C == LastChar ->
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rle3(T,C,Count+1,RLE1,RLE)
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;
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rle3(T,C,1,RLE1++[Count.to_string()++LastChar.to_string()],RLE).
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