Don't even start projecting, if task in chunk is cancelled

nighthawk · nighthawk · commit f504b7517449 · 2024-10-29T12:30:27.000+11:00
diff --git a/Sources/GeoDrawer/GeoDrawer.swift b/Sources/GeoDrawer/GeoDrawer.swift
@@ -249,7 +249,8 @@ extension GeoDrawer {
         let added = group.addTaskUnlessCancelled {
           await Task {
             return chunk.compactMap { input in
-              project(input.element).flatMap { OffsettedElement(offset: input.offset, element: $0) }
+              guard !Task.isCancelled, let projected = project(input.element) else { return nil }
+              return OffsettedElement(offset: input.offset, element: projected)
             }
           }.value
         }

Original file line number	Diff line number	Diff line change
`@@ -249,7 +249,8 @@ extension GeoDrawer {`
`249`	`249`	`let added = group.addTaskUnlessCancelled {`
`250`	`250`	`await Task {`
`251`	`251`	`return chunk.compactMap { input in`
`252`		`- project(input.element).flatMap { OffsettedElement(offset: input.offset, element: $0) }`
	`252`	`+ guard !Task.isCancelled, let projected = project(input.element) else { return nil }`
	`253`	`+ return OffsettedElement(offset: input.offset, element: projected)`
`253`	`254`	`}`
`254`	`255`	`}.value`
`255`	`256`	`}`