Created
June 26, 2017 22:41
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ngram builder for Erlang
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| -module(ngram). | |
| -compile([export_all]). | |
| ngram(N, Str) -> | |
| make_ngram(N, Str, 1, orddict:new()). | |
| make_ngram(_N, Str, Pos, Acc) when Pos >= length(Str) -> Acc; | |
| make_ngram(N, Str, Pos, Acc) -> | |
| make_ngram(N, Str, Pos+1, orddict:update_counter(lists:sublist(Str, Pos, N), 1, Acc)). |
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