Question

How to calculate the complete product of two numbers without the possibility to overflow in Rust

Answer 1

#![feature(bigint_helper_methods)]

fn main() {
    println!("{:?}", 6u32.widening_mul(3)); 

    println!("{:?}", 1_000_000_000u32.widening_mul(30)); 
}





/*
run:

(18, 0)
(4230196224, 6)

*/

 

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