Improve error message of unwrap operation on nonlocal scope.

windelbouwman · windelbouwman · commit 6d1b807c77a5 · 2019-04-17T12:59:56.000+02:00
diff --git a/vm/src/frame.rs b/vm/src/frame.rs
@@ -163,7 +163,7 @@ impl NameProtocol for Scope {
             .iter()
             .skip(1)
             .next()
-            .unwrap()
+            .expect("no outer scope for non-local")
             .set_item(name, value, vm)
             .unwrap();
     }

Original file line number	Diff line number	Diff line change
`@@ -163,7 +163,7 @@ impl NameProtocol for Scope {`
`163`	`163`	`.iter()`
`164`	`164`	`.skip(1)`
`165`	`165`	`.next()`
`166`		`- .unwrap()`
	`166`	`+ .expect("no outer scope for non-local")`
`167`	`167`	`.set_item(name, value, vm)`
`168`	`168`	`.unwrap();`
`169`	`169`	`}`