Question

How to check if a value is an ASCII alphanumeric character in Rust

Answer 1

fn main() {
    let val = b'7';
    
    println!("{}", val.is_ascii_alphanumeric());
}




/*
run:

true

*/

 

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Answer 2

fn main() {
    let val = b'a';
    
    println!("{}", val.is_ascii_alphanumeric());
}




/*
run:

true

*/

 

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