Merge pull request #1283 from kaiserd/master

refactor: simplify extracting Result from Option
rust-lang · Oct 31, 2019 · dcee312 · dcee312
2 parents f3197dd + 8bbf124
commit dcee312
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/src/error/multiple_error_types/option_result.md b/src/error/multiple_error_types/option_result.md
@@ -39,9 +39,7 @@ fn double_first(vec: Vec<&str>) -> Result<Option<i32>, ParseIntError> {
         first.parse::<i32>().map(|n| 2 * n)
     });
 
-    let opt = opt.map_or(Ok(None), |r| r.map(Some))?;
-
-    Ok(opt)
+    opt.map_or(Ok(None), |r| r.map(Some))
 }
 
 fn main() {