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Explain and link the const generics issue #305

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8 changes: 5 additions & 3 deletions doc/array/BitArray.md
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Expand Up @@ -58,9 +58,10 @@ ordering of bits within a single `A::Store` element.

Exact bit lengths cannot be encoded into the `BitArray` type until the
const-generics system in the compiler can allow type-level computation on type
integers. When this stabilizes, `bitvec` will issue a major upgrade that
replaces the `BitArray<A, O>` definition with `BitArray<T, O, const N: usize>`
and match the C++ `std::bitset<N>` definition.
integers. [The feature is currently highly unstable.][1] When this stabilizes,
`bitvec` will issue a major upgrade that replaces the `BitArray<A, O>`
definition with `BitArray<T, O, const N: usize>` and match the C++
`std::bitset<N>` definition.

## Large Bit-Arrays

Expand Down Expand Up @@ -100,6 +101,7 @@ impl HasBitfields {
```

[0]: https://doc.rust-lang.org/std/primitive.array.html
[1]: https://github.com/rust-lang/rust/issues/76560
[`BitArr!`]: macro@crate::BitArr
[`BitBox`]: crate::boxed::BitBox
[`BitSlice`]: crate::slice::BitSlice
Expand Down