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Diffstat (limited to 'vendor/generic-array-0.12.4/README.md')
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diff --git a/vendor/generic-array-0.12.4/README.md b/vendor/generic-array-0.12.4/README.md deleted file mode 100644 index 0864ed627..000000000 --- a/vendor/generic-array-0.12.4/README.md +++ /dev/null @@ -1,34 +0,0 @@ -[](https://crates.io/crates/generic-array) -[](https://travis-ci.org/fizyk20/generic-array) -# generic-array - -This crate implements generic array types for Rust. - -[Documentation](http://fizyk20.github.io/generic-array/generic_array/) - -## Usage - -The Rust arrays `[T; N]` are problematic in that they can't be used generically with respect to `N`, so for example this won't work: - -```rust -struct Foo<N> { - data: [i32; N] -} -``` - -**generic-array** defines a new trait `ArrayLength<T>` and a struct `GenericArray<T, N: ArrayLength<T>>`, which let the above be implemented as: - -```rust -struct Foo<N: ArrayLength<i32>> { - data: GenericArray<i32, N> -} -``` - -To actually define a type implementing `ArrayLength`, you can use unsigned integer types defined in [typenum](https://github.com/paholg/typenum) crate - for example, `GenericArray<T, U5>` would work almost like `[T; 5]` :) - -In version 0.1.1 an `arr!` macro was introduced, allowing for creation of arrays as shown below: - -```rust -let array = arr![u32; 1, 2, 3]; -assert_eq!(array[2], 3); -``` |