Prefer if-let shorthand in CountLines.swift (#638)

KS1019 · web-flow · commit 1d191b00ea31 · 2024-05-09T10:33:30.000-07:00
diff --git a/Examples/count-lines/CountLines.swift b/Examples/count-lines/CountLines.swift
@@ -31,7 +31,7 @@ struct CountLines: AsyncParsableCommand {
 extension CountLines {
     var fileHandle: FileHandle {
         get throws {
-            guard let inputFile = inputFile else {
+            guard let inputFile else {
                 return .standardInput
             }
             return try FileHandle(forReadingFrom: inputFile)
@@ -50,7 +50,7 @@ extension CountLines {
             print("Lines from stdin", terminator: "")
         }
         
-        if let prefix = prefix {
+        if let prefix {
             print(", prefixed by '\(prefix)'", terminator: "")
         }
         

Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,7 @@ struct CountLines: AsyncParsableCommand {`
`31`	`31`	`extension CountLines {`
`32`	`32`	`var fileHandle: FileHandle {`
`33`	`33`	`get throws {`
`34`		`- guard let inputFile = inputFile else {`
	`34`	`+ guard let inputFile else {`
`35`	`35`	`return .standardInput`
`36`	`36`	`}`
`37`	`37`	`return try FileHandle(forReadingFrom: inputFile)`
`@@ -50,7 +50,7 @@ extension CountLines {`
`50`	`50`	`print("Lines from stdin", terminator: "")`
`51`	`51`	`}`
`52`	`52`
`53`		`- if let prefix = prefix {`
	`53`	`+ if let prefix {`
`54`	`54`	`print(", prefixed by '\(prefix)'", terminator: "")`
`55`	`55`	`}`
`56`	`56`