+++ /dev/null
-// Rust-101, Part 08: Associated Types, Modules (WIP)
-// ==================================================
-
-use std::cmp;
-use std::ops;
-use std::fmt;
-use part05::BigInt;
-
-// Add with carry, returning the sum and the carry
-fn overflowing_add(a: u64, b: u64, carry: bool) -> (u64, bool) {
- let sum = u64::wrapping_add(a, b);
- if sum >= a { // first addition did not overflow
- unimplemented!()
- } else { // first addition *did* overflow
- unimplemented!()
- }
-}
-
-/*#[test]*/
-fn test_overflowing_add() {
- assert_eq!(overflowing_add(10, 100, false), (110, false));
- assert_eq!(overflowing_add(10, 100, true), (111, false));
- assert_eq!(overflowing_add(1 << 63, 1 << 63, false), (0, true));
- assert_eq!(overflowing_add(1 << 63, 1 << 63, true), (1, true));
- assert_eq!(overflowing_add(1 << 63, (1 << 63) -1 , true), (0, true));
-}
-
-impl ops::Add for BigInt {
- type Output = BigInt;
- fn add(self, rhs: BigInt) -> Self::Output {
- let mut result_vec:Vec<u64> = Vec::with_capacity(cmp::max(self.data.len(), rhs.data.len()));
- unimplemented!()
- }
-}
-
-// [index](main.html) | [previous](part07.html) | [next](main.html)