From 028663b0bd165949821072c196949db47256a5d4 Mon Sep 17 00:00:00 2001
From: John Sundell <john.sundell@me.com>
Date: Thu, 21 Apr 2016 19:37:16 +0200
Subject: [PATCH] Automatically convert CustomStringConvertible key types to
 strings

If a custom value is used as a dictionary key and it conforms to
CustomStringConvertible, automatically use the `description` as the
wrapped key.
---
 Wrap.swift | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Wrap.swift b/Wrap.swift
index aea4b90..e296bb9 100644
--- a/Wrap.swift
+++ b/Wrap.swift
@@ -339,6 +339,8 @@ private extension Wrapper {
                 wrappedKey = stringKey
             } else if let wrappableKey = key as? WrappableKey {
                 wrappedKey = wrappableKey.toWrappedKey()
+            } else if let stringConvertible = key as? CustomStringConvertible {
+                wrappedKey = stringConvertible.description
             } else {
                 wrappedKey = nil
             }