Question

How to get the index of the first instance of a character in a string with Rust

Answer 1

fn main() {
    let s = "Rust programming";
    let char_to_find = 'm';

    match s.find(char_to_find) {
        Some(index) => println!("The first occurrence of '{}' is at index {}", 
                                 char_to_find, index),
        None => println!("'{}' not found in the string", char_to_find),
    }
}


      
/*
run:
   
The first occurrence of 'm' is at index 11
   
*/

 

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