Character letter case extension

Author: smuellner

Sources/ISO639/Character+Extensions.swift

@@ -0,0 +1,15 @@
+//
+//  Character+Extensions.swift
+//  
+//
+//  Created by smuellner on 20.04.20.
+//
+
+public extension Character {
+    func letterCase() -> LetterCase {
+        if self.isUppercase {
+            return .upper
+        }
+        return .lower
+    }
+}