initial commit

IrisCompanion/iris/Utils/DataTrimming.swift

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+//
+//  DataTrimming.swift
+//  iris
+//
+//  Created by Codex.
+//
+
+import Foundation
+
+extension Data {
+    func trimmedTrailingWhitespace() -> Data {
+        guard !isEmpty else { return self }
+        var endIndex = count
+        while endIndex > 0 {
+            let b = self[endIndex - 1]
+            if b == 0x0A || b == 0x0D || b == 0x20 || b == 0x09 {
+                endIndex -= 1
+            } else {
+                break
+            }
+        }
+        return prefix(endIndex)
+    }
+}
+