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concat binaries
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| iex(1)> a = << 0 :: size(10) >> | |
| <<0, 0::size(2)>> | |
| iex(2)> b = << 0 :: size(10) >> | |
| <<0, 0::size(2)>> | |
| iex(3)> << a :: size(10), b :: size(10) >> | |
| ** (ArgumentError) argument error | |
| iex(3)> << a :: binary, b :: binary >> | |
| ** (ArgumentError) argument error | |
| iex(3)> a <> b | |
| ** (ArgumentError) argument error |
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