02_basic_calculator/04_panics

woojunro · woojunro · commit fbb4fb1e10da · 2024-10-31T19:22:22.000+09:00
diff --git a/exercises/02_basic_calculator/04_panics/src/lib.rs b/exercises/02_basic_calculator/04_panics/src/lib.rs
@@ -2,6 +2,9 @@
 /// calculate the average speed of the journey.
 fn speed(start: u32, end: u32, time_elapsed: u32) -> u32 {
     // TODO: Panic with a custom message if `time_elapsed` is 0
+    if time_elapsed == 0 {
+      panic!("The journey took no time at all. That's impossible!");
+    }
 
     (end - start) / time_elapsed
 }

Original file line number	Diff line number	Diff line change
`@@ -2,6 +2,9 @@`
`2`	`2`	`/// calculate the average speed of the journey.`
`3`	`3`	`fn speed(start: u32, end: u32, time_elapsed: u32) -> u32 {`
`4`	`4`	// TODO: Panic with a custom message if `time_elapsed` is 0
	`5`	`+ if time_elapsed == 0 {`
	`6`	`+ panic!("The journey took no time at all. That's impossible!");`
	`7`	`+ }`
`5`	`8`
`6`	`9`	`(end - start) / time_elapsed`
`7`	`10`	`}`