From fabf582ad9ba6618283229e841dc557ea9daad08 Mon Sep 17 00:00:00 2001
From: andy <andrew.lees11@ibm.com>
Date: Wed, 3 Jul 2019 15:41:13 +0100
Subject: [PATCH] Enabling pattern matching on ECError

---
 Sources/CryptorECC/ECError.swift | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Sources/CryptorECC/ECError.swift b/Sources/CryptorECC/ECError.swift
index 605d391..cffefc7 100644
--- a/Sources/CryptorECC/ECError.swift
+++ b/Sources/CryptorECC/ECError.swift
@@ -69,4 +69,12 @@ public struct ECError: Error, Equatable {
     public static func == (lhs: ECError, rhs: ECError) -> Bool {
         return lhs.internalError == rhs.internalError
     }
+    
+    /// Function to enable pattern matching against generic Errors.
+    public static func ~= (lhs: ECError, rhs: Error) -> Bool {
+        guard let rhs = rhs as? ECError else {
+            return false
+        }
+        return lhs == rhs
+    }
 }