Minimal implementation of TryFromBytes#317
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joshlf wants to merge 1 commit intotry-from-bytes-minimal-2-maybe-validfrom
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Minimal implementation of TryFromBytes#317joshlf wants to merge 1 commit intotry-from-bytes-minimal-2-maybe-validfrom
TryFromBytes#317joshlf wants to merge 1 commit intotry-from-bytes-minimal-2-maybe-validfrom
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jswrenn
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Sep 5, 2023
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`TryFromBytes` can be implemented for types which are not `FromZeroes` or `FromBytes`; it supports performing a runtime check to determine whether a given byte sequence contains a valid instance of `Self`. This is the first step of #5. Future commits will add support for a custom derive and for implementing `TryFromBytes` on unsized types. TODO: Add tests Makes progress on #5
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joshlf
commented
Nov 2, 2023
| /// implementation of `TryFromBytes::is_bit_valid`. | ||
| /// | ||
| /// [1] https://doc.rust-lang.org/std/primitive.char.html#method.from_u32 | ||
| unsafe_impl!(char: TryFromBytes; |bytes: &[u8; 4]| { |
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rust-lang/reference#1401 has landed; use u32 as a representation instead.
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Superseded by #353 |
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This PR is a more minimal version of #279. Most notably, it doesn't rely on field projection, which was a significant source of complexity. A future PR which adds support for deriving
TryFromByteswill need to tackle field projection.Makes progress on #5.