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-module(words).
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-export([count/1]).
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count(S) -> count(S, true, 0).
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count("", _, Total) -> Total;
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count([$ |Tail], _, Total) -> count(Tail, true, Total);
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count([_|Tail], false, Total) -> count(Tail, false, Total);
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count([_|Tail], true, Total) -> count(Tail, false, Total + 1). |
