Add error messsages to sample code of storage's async removal functions in README

guoyingtao · guoyingtao · commit 0c02fcf13dd1 · 2018-05-03T13:23:57.000-04:00
diff --git a/README.md b/README.md
@@ -233,11 +233,19 @@ storage.async.existsObject(ofType: String.self, forKey: "my favorite city") { re
 }
 
 storage.async.removeAll() { result in
-  print("removal completes")
+  switch result {
+    case .value:
+      print("removal completes")
+    case .error(let error):
+      print(error)
 }
 
 storage.async.removeExpiredObjects() { result in
-  print("removal completes")
+  switch result {
+    case .value:
+      print("removal completes")
+    case .error(let error):
+      print(error)
 }
 ```
 

Original file line number	Diff line number	Diff line change
`@@ -233,11 +233,19 @@ storage.async.existsObject(ofType: String.self, forKey: "my favorite city") { re`
`233`	`233`	`}`
`234`	`234`
`235`	`235`	`storage.async.removeAll() { result in`
`236`		`- print("removal completes")`
	`236`	`+ switch result {`
	`237`	`+ case .value:`
	`238`	`+ print("removal completes")`
	`239`	`+ case .error(let error):`
	`240`	`+ print(error)`
`237`	`241`	`}`
`238`	`242`
`239`	`243`	`storage.async.removeExpiredObjects() { result in`
`240`		`- print("removal completes")`
	`244`	`+ switch result {`
	`245`	`+ case .value:`
	`246`	`+ print("removal completes")`
	`247`	`+ case .error(let error):`
	`248`	`+ print(error)`
`241`	`249`	`}`
`242`	`250`	```
`243`	`251`