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Describe bit validity and padding for primitive types #1291

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joshlf opened this issue Nov 2, 2022 · 0 comments · Fixed by #1392
Closed

Describe bit validity and padding for primitive types #1291

joshlf opened this issue Nov 2, 2022 · 0 comments · Fixed by #1392
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A-type-layout Area: type layout

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joshlf commented Nov 2, 2022

Though it's generally understood to be the case, the type layout page of the reference doesn't explicitly guarantee that, for each primitive type, T:

  • All bit patterns are valid instances of T
  • All of the bytes of T are guaranteed to be initialized (none of them are padding)
This was referenced Nov 2, 2022
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@ehuss ehuss added the A-type-layout Area: type layout label Jun 27, 2023
@joshlf joshlf mentioned this issue Aug 1, 2023
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joshlf added a commit to joshlf/reference that referenced this issue Aug 11, 2023
@joshlf
Specify bit validity and padding of some types
510e75c 
Specify the bit validity and padding of the primitive numeric 
types, bool, char, and pointer and reference types.

Closes rust-lang#1291
This was referenced Aug 11, 2023
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@joshlf joshlf mentioned this issue Oct 1, 2023
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