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add a chapter on enum representation #57

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Merged
merged 14 commits into from
Jan 10, 2019
Merged

add a chapter on enum representation #57

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1f3ef96
add a chapter on enum representation
nikomatsakis Jan 10, 2019
8c6ac6d
rename representation -> layout
nikomatsakis Jan 10, 2019
59bd611
revise to take feedback into account:
nikomatsakis Dec 19, 2018
e59001f
give example where it can be more efficient
nikomatsakis Dec 19, 2018
bf3e435
clarify section headers a bit more
nikomatsakis Dec 19, 2018
6aa4d03
s/enums/variants/
RalfJung Dec 20, 2018
c0c5ed4
clarify that `#[repr(C)]` matches *default* settings of C compiler
nikomatsakis Dec 20, 2018
d1c0e4d
don't guarantee at least one byte
nikomatsakis Dec 20, 2018
219a584
add `#[repr(C)]` to the union
nikomatsakis Dec 20, 2018
c84b1c3
s/representation invariant/validity invariant/
nikomatsakis Dec 20, 2018
ebd3639
rename representation to layout in header
nikomatsakis Jan 10, 2019
e735b31
use `repr` and not "representation"
nikomatsakis Jan 10, 2019
f09d7e5
add an unresolved question
nikomatsakis Jan 10, 2019
f066fd9
clarify disclaimer text
nikomatsakis Jan 10, 2019
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1 change: 1 addition & 0 deletions reference/src/SUMMARY.md
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
- [Data layout](./layout.md)
- [Structs and tuples](./layout/structs-and-tuples.md)
- [Integers and Floating Points](./layout/integers-floatingpoint.md)
- [Enums](./layout/enums.md)
- [Unions](./layout/unions.md)
- [Vectors](./layout/vectors.md)
- [Optimizations](./optimizations.md)
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