From aa16e2d99af79c27e518ff1bbbc00eaafeff8a68 Mon Sep 17 00:00:00 2001
From: Nathan Sashihara <21227491+n8sh@users.noreply.github.com>
Date: Sat, 12 Sep 2020 14:38:26 -0400
Subject: [PATCH] Streamline std.traits.AliasThisTypeOf

Faster and uses less memory.
---
 std/traits.d | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/std/traits.d b/std/traits.d
index 9370d3399..d6794855f 100644
--- a/std/traits.d
+++ b/std/traits.d
@@ -5659,17 +5659,7 @@ Note: Trying to use returned value will result in a
 // SomethingTypeOf
 //::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::://
 
-private template AliasThisTypeOf(T)
-{
-    alias members = __traits(getAliasThis, T);
-
-    static if (members.length == 1)
-    {
-        alias AliasThisTypeOf = typeof(__traits(getMember, T.init, members[0]));
-    }
-    else
-        static assert(0, T.stringof~" does not have alias this type");
-}
+private alias AliasThisTypeOf(T) = typeof(__traits(getMember, T.init, __traits(getAliasThis, T)[0]));
 
 /*
  */