Merge pull request #8288 from andralex/simplerCommonType

[TRIVIAL] Simpler CommonType
dlang · Oct 18, 2021 · 9252a88 · 9252a88
2 parents b5ea06d + f5c15d8
commit 9252a88
Showing 1 changed file with 2 additions and 17 deletions.
diff --git a/std/traits.d b/std/traits.d
@@ -4859,25 +4859,10 @@ types have no common type.
  */
 template CommonType(T...)
 {
-    static if (!T.length)
-    {
-        alias CommonType = void;
-    }
-    else static if (T.length == 1)
-    {
-        static if (is(typeof(T[0])))
-        {
-            alias CommonType = typeof(T[0]);
-        }
-        else
-        {
-            alias CommonType = T[0];
-        }
-    }
+    static if (T.length == 1)
+        alias CommonType = typeof(T[0].init);
     else static if (is(typeof(true ? T[0].init : T[1].init) U))
-    {
         alias CommonType = CommonType!(U, T[2 .. $]);
-    }
     else
         alias CommonType = void;
 }