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840 B

matrix_display

Instructions

Use the Matrix struct given in the expected struct and implement the std::fmt::Display trait so it prints the matrix like in the usage.

You will also have to implement the associated function new that creates a matrix from a slice of slices.

Expected Functions and Struct

pub struct Matrix(pub Vec<Vec<i32>>);

pub fn new(slice: &[&[i32]]) -> Self {
}

use std::fmt;

impl fmt::Display for Matrix {
}

Usage

Here is a possible program to test your function

use matrix_display::*;

fn main() {
	let matrix = Matrix::new(&[&[1, 2, 3], &[4, 5, 6], &[7, 8, 9]]);
	println!("{}", matrix);
}

And it's output:

student@ubuntu:~/[[ROOT]]/test$ cargo run
(1 2 3)
(4 5 6)
(7 8 9)
student@ubuntu:~/[[ROOT]]/test$