added IsContextError

ungerik · ungerik · commit 2058c2c70e68 · 2022-01-03T12:44:41.000+01:00
diff --git a/context.go b/context.go
@@ -36,3 +36,10 @@ func IsContextDone(ctx context.Context) bool {
 		return false
 	}
 }
+
+// IsContextError returns true if err unwraps to
+// context.Canceled or context.DeadlineExceeded.
+func IsContextError(err error) bool {
+	return err != nil &&
+		(errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded))
+}

Original file line number	Diff line number	Diff line change
`@@ -36,3 +36,10 @@ func IsContextDone(ctx context.Context) bool {`
`36`	`36`	`return false`
`37`	`37`	`}`
`38`	`38`	`}`
	`39`	`+`
	`40`	`+// IsContextError returns true if err unwraps to`
	`41`	`+// context.Canceled or context.DeadlineExceeded.`
	`42`	`+func IsContextError(err error) bool {`
	`43`	`+ return err != nil &&`
	`44`	`+ (errors.Is(err, context.Canceled) \|\| errors.Is(err, context.DeadlineExceeded))`
	`45`	`+}`