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| def to_sentence(list) do | |
| list |> Enum.reverse |> Enum.reduce(fn(b,c) -> b <> ", " <> c end) | |
| end | |
| to_sentence ["foo", "bar", "baz"] == "foo, bar, baz" | |
| # other cases, using Enum.map_join: | |
| Enum.map_join(languages, ", ", fn(_) -> "_" end) | |
| Enum.map_join(languages, ", ", fn({_, {lang, _}}) -> "( #{lang}, #{String.downcase lang} )" end) |
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