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Merged
merged 19 commits into from
Oct 25, 2018
Merged

add a stucts-and-tuples chapter #31

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c3a54f9
add a stucts-and-tuples chapter
nikomatsakis Sep 25, 2018
08062bd
add nits from eddyb
nikomatsakis Sep 26, 2018
eb951c2
correct typo
nikomatsakis Oct 11, 2018
d5a144b
strengthen to "subject to change between compilations"
nikomatsakis Oct 11, 2018
569338b
add note that packed adjusts alignment of the struct as a whole
nikomatsakis Oct 11, 2018
d96723f
`[T; 3]` and `(T, (T, T))` would have the same memory layout.
nikomatsakis Oct 11, 2018
4974192
rename ABI compatibility to "function call ABI compatibility"
nikomatsakis Oct 11, 2018
89a8a70
rework to call out details *not* relevant to layout
nikomatsakis Oct 11, 2018
c7d728e
make it clear that C17 etc are the "normative" spec for `#[repr(C)]`
nikomatsakis Oct 11, 2018
65f65f9
extract controversial unresolved questions
nikomatsakis Oct 11, 2018
fbafc2d
clarify wording
nikomatsakis Oct 11, 2018
fbf35bf
assign issues
nikomatsakis Oct 11, 2018
97622bc
generalize "input program" to "input to compiler"
nikomatsakis Oct 23, 2018
b0c86ea
be clearer about when reordering fields would be a breaking change
nikomatsakis Oct 23, 2018
f146fc4
rephrase "any" struct for clarity
nikomatsakis Oct 23, 2018
72f5db3
rework "default layout" to guarantee nothing for now
nikomatsakis Oct 23, 2018
17dab33
document zero-sized struct behavior
nikomatsakis Oct 23, 2018
a9223e2
say more about zero-sized things
nikomatsakis Oct 25, 2018
ece91f5
fix typo
nikomatsakis Oct 25, 2018
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1 change: 1 addition & 0 deletions reference/src/SUMMARY.md
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Expand Up @@ -14,5 +14,6 @@
- [Unions](./active_discussion/unions.md)
- [Uninitialized memory](./active_discussion/uninitialized_memory.md)
- [Data representation](./representation.md)
- [Structs and tuples](./representation/structs-and-tuples.md)
- [Optimizations](./optimizations.md)
- [Optimizing immutable memory](./optimizations/immutable_memory.md)
5 changes: 0 additions & 5 deletions reference/src/representation.md
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Expand Up @@ -6,11 +6,6 @@

https://github.com/rust-rfcs/unsafe-code-guidelines/issues/9

## Representation of structs and tuples

https://github.com/rust-rfcs/unsafe-code-guidelines/issues/11
https://github.com/rust-rfcs/unsafe-code-guidelines/issues/12

## Representation of enums

https://github.com/rust-rfcs/unsafe-code-guidelines/issues/10
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