17 lines
366 B
JavaScript
17 lines
366 B
JavaScript
|
/* @flow */
|
||
|
|
|
||
|
|
class C { foo: string; }
|
||
|
|
|
||
|
|
// OK, `instanceof C` would be true
|
||
|
|
(Object.create(C.prototype): C);
|
||
|
|
|
||
|
|
// OK, `instanceof C` would be true
|
||
|
|
(Object.create(new C): C);
|
||
|
|
|
||
|
|
// error, object literals don't structurally match instances
|
||
|
|
({ foo: "foo" }: C);
|
||
|
|
|
||
|
|
// error, object types don't structurally match instances
|
||
|
|
type O = { foo: string; }
|
||
|
|
declare var o: O;
|
||
|
|
(o: C);
|