fix example

chloe-yeo · chloe-yeo · commit bc324acf3916 · 2025-09-23T16:31:11.000-07:00
diff --git a/Proposals/0023-progress-manager.md b/Proposals/0023-progress-manager.md
@@ -396,7 +396,7 @@ extension ProgressManager.Properties {
         }
         
         static func finalSummary(_ parentSummary: [String?], _ selfSummary: [String?]) -> [String?] {
-            parentSummary
+            parentSummary + selfSummary
         }
     }
 }
@@ -423,7 +423,7 @@ func doSomething(subprogress: consuming Subprogress? = nil) async {
 }
 
 let filenames = manager.summary(of: ProgressManager.Properties.Filename.self) // get summary of filename in subtree
-print(filenames) // ["Capybara.jpg", "Snail.jpg"]
+print(filenames) // get ["Capybara.jpg", "Snail.jpg"] since we defined `finalSummary` to include filename cumulatively
 ```
 
 ### Interoperability with Existing `Progress` 

Original file line number	Diff line number	Diff line change
`@@ -396,7 +396,7 @@ extension ProgressManager.Properties {`
`396`	`396`	`}`
`397`	`397`
`398`	`398`	`static func finalSummary(_ parentSummary: [String?], _ selfSummary: [String?]) -> [String?] {`
`399`		`- parentSummary`
	`399`	`+ parentSummary + selfSummary`
`400`	`400`	`}`
`401`	`401`	`}`
`402`	`402`	`}`
`@@ -423,7 +423,7 @@ func doSomething(subprogress: consuming Subprogress? = nil) async {`
`423`	`423`	`}`
`424`	`424`
`425`	`425`	`let filenames = manager.summary(of: ProgressManager.Properties.Filename.self) // get summary of filename in subtree`
`426`		`-print(filenames) // ["Capybara.jpg", "Snail.jpg"]`
	`426`	+print(filenames) // get ["Capybara.jpg", "Snail.jpg"] since we defined `finalSummary` to include filename cumulatively
`427`	`427`	```
`428`	`428`
`429`	`429`	### Interoperability with Existing `Progress`