From 111b5c5af3654c1222e554004ef9bf8af5b52870 Mon Sep 17 00:00:00 2001
From: "Harry T. Vennik" <htvennik@gmail.com>
Date: Tue, 20 Jun 2017 21:23:53 +0200
Subject: [PATCH] Cleanup typeSig implementation for DictionaryEntry

---
 source/ddbus/util.d | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/source/ddbus/util.d b/source/ddbus/util.d
index f695016..64d533c 100644
--- a/source/ddbus/util.d
+++ b/source/ddbus/util.d
@@ -120,10 +120,9 @@ string typeSig(T)() if(canDBus!T) {
 }
 
 string typeSig(T)() if(isInstanceOf!(DictionaryEntry, T)) {
-  static if(is(T == DictionaryEntry!(K, V), K, V)) // need to get K and V somehow
-    return "{" ~ typeSig!K ~ typeSig!V ~ '}';
-  else
-    static assert (false, "DictionaryEntry always has a key type and value type, right?");
+  alias typeof(T.key) K;
+  alias typeof(T.value) V;
+  return "{" ~ typeSig!K ~ typeSig!V ~ '}';
 }
 
 string[] typeSigReturn(T)() if(canDBus!T) {