Fix Issue 22695 - std.traits.isBuiltinType is false for typeof(null)

dlang · Jan 24, 2022 · 00449e2 · 00449e2
1 parent 30de0aa
commit 00449e2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/std/traits.d b/std/traits.d
@@ -6095,7 +6095,7 @@ template BuiltinTypeOf(T)
             alias X = OriginalType!T;
         static if (__traits(isArithmetic, X) && !is(X == __vector) ||
                 __traits(isStaticArray, X) || is(X == E[], E) ||
-                __traits(isAssociativeArray, X))
+                __traits(isAssociativeArray, X) || is(X == typeof(null)))
             alias BuiltinTypeOf = X;
         else
             static assert(0);
@@ -7037,6 +7037,7 @@ enum bool isBuiltinType(T) = is(BuiltinTypeOf!T) && !isAggregateType!T;
     static assert( isBuiltinType!string);
     static assert( isBuiltinType!(int[]));
     static assert( isBuiltinType!(C[string]));
+    static assert( isBuiltinType!(typeof(null)));
     static assert(!isBuiltinType!C);
     static assert(!isBuiltinType!U);
     static assert(!isBuiltinType!S);