From 27545fe9640e3c3c90786b6a3cad37cb0f838ea2 Mon Sep 17 00:00:00 2001
From: David Bailey <davidbailey00@outlook.com>
Date: Sat, 16 Jan 2021 20:43:34 +0000
Subject: [PATCH] Add result1 solution
---
exercises/error_handling/result1.rs | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/exercises/error_handling/result1.rs b/exercises/error_handling/result1.rs
index b978001..952b46d 100644
--- a/exercises/error_handling/result1.rs
+++ b/exercises/error_handling/result1.rs
@@ -1,8 +1,6 @@
// result1.rs
// Make this test pass! Execute `rustlings hint result1` for hints :)
-// I AM NOT DONE
-
#[derive(PartialEq, Debug)]
struct PositiveNonzeroInteger(u64);
@@ -14,7 +12,13 @@ enum CreationError {
impl PositiveNonzeroInteger {
fn new(value: i64) -> Result<PositiveNonzeroInteger, CreationError> {
- Ok(PositiveNonzeroInteger(value as u64))
+ if value == 0 {
+ Err(CreationError::Zero)
+ } else if value < 0 {
+ Err(CreationError::Negative)
+ } else {
+ Ok(PositiveNonzeroInteger(value as u64))
+ }
}
}