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qhwa/ref_binary.exs

Created May 10, 2020 03:55
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A demo of binary referencing in Elixir
Raw
ref_binary.exs
iex> a_very_large_binary = :binary.copy("x", 1000)
...> <<_first_three_bytes::binary-3, rest::binary>> = a_very_large_binary
...> byte_size(rest)
997
...> :binary.referenced_byte_size(rest)
1000
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