https://github.com/tgrcdev/select_indices

Rust crate for splitting slices and Vecs into multiple mutable references via a list of indices
https://github.com/tgrcdev/select_indices

Last synced: 11 months ago
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Rust crate for splitting slices and Vecs into multiple mutable references via a list of indices

• Host: GitHub
• URL: https://github.com/tgrcdev/select_indices
• Owner: TGRCdev
• License: mpl-2.0
• Created: 2021-11-12T23:25:37.000Z (over 4 years ago)
• Default Branch: main
• Last Pushed: 2022-08-08T19:32:40.000Z (over 3 years ago)
• Last Synced: 2025-02-28T09:48:30.610Z (12 months ago)
• Language: Rust
• Size: 95.7 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# select_indices

![GitHub Workflow Status](https://img.shields.io/github/workflow/status/TGRCdev/select_indices/main)

[![crates.io](https://img.shields.io/crates/v/select_indices.svg)](https://crates.io/crates/select_indices)

[![docs.rs](https://img.shields.io/docsrs/select_indices)](https://docs.rs/select_indices)

![Crates.io](https://img.shields.io/crates/l/select_indices)

`select_indices` is a crate that provides iterators for seeking through a slice with a pre-made list of indices. It can simplify the readability of code and, in some cases, increase performance.

[Documentation](https://docs.rs/select_indices)


```rust

use select_indices::prelude::*;

fn main()

{

    struct BankAccount {

        pub name: String,

        pub balance: f32,

    }

    

    let mut vec: Vec = vec![

        BankAccount { name: "Joey Bag o' Donuts".to_string(), balance: 4.27 },

        BankAccount { name: "Henry Howard Roosevelt".to_string(), balance: 83.20 },

        BankAccount { name: "Jenny Jenson".to_string(), balance: 54.32 },

        BankAccount { name: "The Dude".to_string(), balance: -134.01 },

        // Assume there's like 300 of these

    ];

    

    vec.select_indices_mut(&[1, 3]).for_each(|account| {

        account.balance -= 20.00;

        println!("{} now has ${}", account.name, account.balance);

    });

}

```

There is also a `rayon` feature flag that provides ParallelIterator versions of `select_indices` iterators. In certain cases, these iterators can greatly improve performance over other methods of slice iteration.