Add regression test

2025-11-18 17:21:48 +00:00 · 2018-02-03 14:45:16 -08:00
parent 503fc0642e
commit 21c397dd5a
1 changed files with 12 additions and 0 deletions
@@ -0,0 +1,12 @@
+// Repro from comment in #21496
+
+function Mixin<TBase extends {new (...args: any[]): {}}>(Base: TBase) {
+    return class extends Base {
+    };
+}
+
+type Mixin = ReturnTypeOf<typeof Mixin>
+
+type ReturnTypeOf<V> = V extends (...args: any[])=>infer R ? R : never;
+
+type Crashes = number & Mixin;