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README.md

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Any Type

Any can represent any kind of serializable value, (e.g. not a Function or Symbol). It takes up 12 bytes of space aligned to 8 bytes. The structure looks like this:

|--------------------------------------------|
|         Value or Pointer (Float64)         |
|--------------------------------------------|
|             Type Tag (Uint32)              |
----------------------------------------------

If the value being stored can be represented in 8 bytes or less, it is stored inline, otherwise space is allocated for the value separately and a pointer is stored.