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Original file line number Diff line number Diff line change @@ -62,16 +62,18 @@ A Float32Array containing 10 values will have a `data` size starting at 42 bytes
6262- 40 bytes of ` vals `
6363
6464A Float32Array should be aligned on 4-byte boundaries, so there may need to be up to 3 bytes of padding.
65- In that case, the total size of ` data ` woulb become so this may increase to 45 bytes:
65+ In that case, the total size of ` data ` would become 45 bytes:
6666
6767- 1 byte of ` artype ` = ` 0x09 `
6868- 1 byte of ` AAAAAAAA ` = 3
6969- 3 bytes of ` align `
7070- 40 bytes of ` vals `
7171
72- Since the extension array is wrapped with its own header, there is some additional structure before this content .
72+ The exact amount of padding depends on what data has been encoded _ before _ the TypedArray is encountered .
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74+ Since the extension array is wrapped with its own header, there is some additional structure before this content.
7475See the [ MessagePack spec for extensions] ( https://github.com/msgpack/msgpack/blob/master/spec.md#ext-format-family ) .
76+
7577The content of a TypedArray object is inserted after the extension header.
7678For example, an extension where the size of the encoded array is up to (2^8)-1 bytes will be laid out like this:
7779
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