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do not allow ABI mismatches inside repr(C) types

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Ralf Jung
2023-12-17 09:34:25 +01:00
parent 2f19122f73
commit c7e3b3f84c
3 changed files with 33 additions and 2 deletions
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library/core/src/primitive_docs.rs
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@@ -1575,8 +1575,6 @@ mod prim_ref {}
/// Furthermore, ABI compatibility satisfies the following general properties:
///
/// - Every type is ABI-compatible with itself.
/// - If `T1` and `T2` are ABI-compatible, then two `repr(C)` types that only differ because one
/// field type was changed from `T1` to `T2` are ABI-compatible.
/// - If `T1` and `T2` are ABI-compatible and `T2` and `T3` are ABI-compatible, then so are `T1` and
/// `T3` (i.e., ABI-compatibility is transitive).
/// - If `T1` and `T2` are ABI-compatible, then so are `T2` and `T1` (i.e., ABI-compatibility is