remove routing warning

vapor · Dec 21, 2017 · e950f3d · e950f3d
1 parent d628994
commit e950f3d
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/Sources/Routing/Utilities.swift b/Sources/Routing/Utilities.swift
@@ -2,7 +2,7 @@ extension String {
     /// Separates a URI path into
     /// an array by splitting on `/`
     internal var pathComponents: [String] {
-        return characters
+        return toCharacterSequence()
             .split(separator: "/", omittingEmptySubsequences: true)
             .map { String($0) }
     }
@@ -16,3 +16,15 @@ extension Sequence where Iterator.Element == String {
         return flatMap { $0.pathComponents } .filter { !$0.isEmpty }
     }
 }
+
+extension String {
+    #if swift(>=4.0)
+    internal func toCharacterSequence() -> String {
+        return self
+    }
+    #else
+    internal func toCharacterSequence() -> CharacterView {
+    return self.characters
+    }
+    #endif
+}