Question

How to convert a character (flatten) matrix to a single string in Rust

Answer 1

fn flatten_matrix(matrix: &[Vec<char>]) -> String {
    matrix.iter().flatten().collect()
}

fn main() {
    let matrix = vec![
        vec!['H', 'e', 'l', 'l', 'o'],
        vec![' ', 'W', 'o', 'r', 'l', 'd'],
        vec!['!'],
    ];

    let output = flatten_matrix(&matrix);

    println!("Flattened string: {}", output);
}




/*
run:

Flattened string: Hello World!

*/

 

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