generic-array
A Rust crate providing generic array types using type-level numbers for const-generic-like functionality.
What is generic-array?
Generic-array is a Rust crate that provides a `GenericArray<T, N>` struct, enabling array-like structures where the length `N` is a type-level parameter. It addresses limitations in Rust's const generics by leveraging the `typenum` crate for type-level unsigned integers, allowing developers to write more flexible and generic code. This is particularly useful for scenarios where array lengths must be expressed as types, such as in trait bounds or generic structs.
Rust developers working on libraries or systems that require generic array handling with type-level length parameters, especially those needing compatibility with older `generic-array` versions or `hybrid-array`. It is also suited for projects using `typenum` for numeric type-level programming.
Developers choose generic-array over native const generics when they need more robust trait-based array length handling, as it works around current limitations in Rust's const generics (e.g., min_const_generics). Its unique selling points include interoperability features with `generic-array` 0.14 and `hybrid-array` 0.4, along with optional functionality like serialization, zeroization, and macro support for easy array creation.
Overview
Generic array types in Rust
Use Cases
Best For
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