/// String Utility from r-unit
////// Provides functionality for operations on strings and string slices.
pubmodstring;/// Math Utility from r-unit
////// Provides general mathematical operators to compare an Any type
pubmodmath;#[cfg(test)]modtests{usesuper::*;#[test]fntest_exec(){let a ="hi";ifstring::contains_numbers(&a){println!("Contains numbers");}else{println!("Does not contain numbers");};}}