Created
December 27, 2013 01:43
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Can someone explain this?
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| iex(23)> out = Enum.reduce([4], <<>>, fn(elem, accum) -> accum <> <<elem :: size(4)>> end) | |
| <<4::size(4)>> | |
| iex(24)> <<4::size(4)>> <> <<5::size(4)>> | |
| "E" | |
| iex(25)> out <> <<5::size(4)>> | |
| ** (ArgumentError) argument error | |
| iex(25)> out == <<4::size(4)>> | |
| true |
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