arrayCast.ts(3,23): error TS2353: Object literal may only specify known properties, and 'foo' does not exist in type '{ id: number; }'.


==== arrayCast.ts (1 errors) ====
    // Should fail. Even though the array is contextually typed with { id: number }[], it still
    // has type { foo: string }[], which is not assignable to { id: number }[].
    <{ id: number; }[]>[{ foo: "s" }];
                          ~~~
!!! error TS2353: Object literal may only specify known properties, and 'foo' does not exist in type '{ id: number; }'.
    
    // Should succeed, as the {} element causes the type of the array to be {}[]
    <{ id: number; }[]>[{ foo: "s" }, {}]; 