How to Split a Vector in Rust - Step by Step Examples

How to Split a Vector in Rust ?

Answer

In Rust, you can split a vector into smaller parts using various methods such as iteration, slicing, or using external libraries like itertools.

✐ Examples

1 Split Vector by Index

In this example,

We create a vector named data containing elements.
We specify the index range to split the vector into two parts.
We use Rust's slicing syntax &data[start_index..end_index] to extract the subvector.

Rust Program

fn main() {
    let data = vec![1, 2, 3, 4, 5, 6];
    let split_index = 3;
    let (left, right) = data.split_at(split_index);
    println!("Left part: {:?}", left);
    println!("Right part: {:?}", right);
}

Output

Left part: [1, 2, 3]
Right part: [4, 5, 6]

2 Split Vector by Predicate

In this example,

We create a vector named data containing elements.
We define a closure or function that represents the predicate or condition.
We use the iter() method to iterate over the vector and filter elements based on the predicate.

Rust Program

fn main() {
    let data = vec![1, 2, 3, 4, 5, 6];
    let split_predicate = |&x| x > 3;
    let (left, right): (Vec<_>, Vec<_>) = data.into_iter().partition(split_predicate);
    println!("Left part: {:?}", left);
    println!("Right part: {:?}", right);
}

Output

Left part: [4, 5, 6]
Right part: [1, 2, 3]

Summary

In this tutorial, we learned How to Split a Vector in Rust language with well detailed examples.

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How to Split a Vector in Rust - Step by Step Examples

How to Split a Vector in Rust ?

Answer

✐ Examples

1 Split Vector by Index

Rust Program

Output

2 Split Vector by Predicate

Rust Program

Output

Summary

More Rust Vectors Tutorials