Added better substrings to Utils

2021-01-26 15:13:55 -05:00
parent b263824429
commit 253c7641da
1 changed files with 13 additions and 0 deletions
@@ -216,6 +216,19 @@ extension String
        let range = NSRange(location: 0, length: lhs.utf16.count)
        return regex.firstMatch(in: lhs, options: [], range: range) != nil
    }
+    
+    //Better subscripting from: https://stackoverflow.com/a/46627527
+    subscript (bounds: CountableClosedRange<Int>) -> String {
+            let start = index(startIndex, offsetBy: bounds.lowerBound)
+            let end = index(startIndex, offsetBy: bounds.upperBound)
+            return String(self[start...end])
+        }
+
+    subscript (bounds: CountableRange<Int>) -> String {
+            let start = index(startIndex, offsetBy: bounds.lowerBound)
+            let end = index(startIndex, offsetBy: bounds.upperBound)
+            return String(self[start..<end])
+        }
 }

 /// More convenient ui update closure