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Why <<5::2>> == <<1::2>>? Elixir

Bits vary in size not in numbers

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This article talks about the bitstrings and binaries representation. Let’s dive.

In Elixir we use <<0>> for binary(8 bits) reprsentation. However, we can tell how many bits of information we need with size(num) i.e <<5::size(3)>> for 3 bits instead of size(8) which is…