[swift-users] NSData vs Data in swift 3

[CK TUNG]

Anyone know where to get the updated guide on Binary Data in swift 3?

The only thing I know from WWDC video is that "NSData" is reference type and the "Data" is value type and they have different methods of init rules and to getbytes or copybytes.

Any idea on the motivation to have new Data class in Foundation ?
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