Fix a redundant optional return.

yoichitgy · yoichitgy · commit 15af96688d19 · 2015-08-12T23:49:21.000+09:00
diff --git a/SwinjectSimpleExample/WeatherFetcher.swift b/SwinjectSimpleExample/WeatherFetcher.swift
@@ -15,12 +15,12 @@ struct WeatherFetcher {
     
     func fetch(response: [City]? -> ()) {
         networking.request { data in
-            let cities = data.flatMap { self.decode($0) }
+            let cities = data.map { self.decode($0) }
             response(cities)
         }
     }
     
-    private func decode(data: NSData) -> [City]? {
+    private func decode(data: NSData) -> [City] {
         let json = JSON(data: data)
         var cities = [City]()
         for (_, j) in json["list"] {

Original file line number	Diff line number	Diff line change
`@@ -15,12 +15,12 @@ struct WeatherFetcher {`
`15`	`15`
`16`	`16`	`func fetch(response: [City]? -> ()) {`
`17`	`17`	`networking.request { data in`
`18`		`- let cities = data.flatMap { self.decode($0) }`
	`18`	`+ let cities = data.map { self.decode($0) }`
`19`	`19`	`response(cities)`
`20`	`20`	`}`
`21`	`21`	`}`
`22`	`22`
`23`		`- private func decode(data: NSData) -> [City]? {`
	`23`	`+ private func decode(data: NSData) -> [City] {`
`24`	`24`	`let json = JSON(data: data)`
`25`	`25`	`var cities = [City]()`
`26`	`26`	`for (_, j) in json["list"] {`