[PackageLoading] Use flatMap vs map + flatten.

ddunbar · ddunbar · commit fae6d5e62fca · 2016-07-27T16:42:27.000-07:00
diff --git a/Sources/PackageLoading/Module+PkgConfig.swift b/Sources/PackageLoading/Module+PkgConfig.swift
@@ -19,7 +19,7 @@ extension ModuleProtocol {
     // swift compiler.
     public func pkgConfigSwiftcArgs() throws -> [String] {
         let pkgArgs = try pkgConfigArgs()
-        return pkgArgs.cFlags.map{["-Xcc", $0]}.flatten() + pkgArgs.libs
+        return pkgArgs.cFlags.flatMap{ ["-Xcc", $0] } + pkgArgs.libs
     }
 
     /// Finds cFlags and link flags for all the CModule i.e. System Module

Original file line number	Diff line number	Diff line change
`@@ -19,7 +19,7 @@ extension ModuleProtocol {`
`19`	`19`	`// swift compiler.`
`20`	`20`	`public func pkgConfigSwiftcArgs() throws -> [String] {`
`21`	`21`	`let pkgArgs = try pkgConfigArgs()`
`22`		`- return pkgArgs.cFlags.map{["-Xcc", $0]}.flatten() + pkgArgs.libs`
	`22`	`+ return pkgArgs.cFlags.flatMap{ ["-Xcc", $0] } + pkgArgs.libs`
`23`	`23`	`}`
`24`	`24`
`25`	`25`	`/// Finds cFlags and link flags for all the CModule i.e. System Module`