fn main() {
let s = Some(String::from("test string")).unwrap_or("Fail".to_string()).len();
}
+
+fn new_lines() {
+ let s = Some(String::from("test string"))
+ .unwrap_or("Fail".to_string())
+ .len();
+}
|
= note: `-D or-fun-call` implied by `-D warnings`
-error: aborting due to previous error
+error: use of `unwrap_or` followed by a function call
+ --> $DIR/unwrap_or.rs:8:46
+ |
+8 | let s = Some(String::from("test string"))
+ | ______________________________________________^
+9 | | .unwrap_or("Fail".to_string())
+ | |______________________________________^ help: try this: `.unwrap_or_else(|| "Fail".to_string())`
+
+error: aborting due to 2 previous errors