tests/cases/compiler/contextualTyping20.ts(1,58): error TS2322: Type '({ id: number; } | { id: number; name: string; })[]' is not assignable to type '{ id: number; }[]'.
  Type '{ id: number; } | { id: number; name: string; }' is not assignable to type '{ id: number; }'.
    Type '{ id: number; name: string; }' is not assignable to type '{ id: number; }'.
      Object literal may only specify known properties, and 'name' does not exist in type '{ id: number; }'.


==== tests/cases/compiler/contextualTyping20.ts (1 errors) ====
    var foo:{id:number;}[] = [{id:1}]; foo = [{id:1}, {id:2, name:"foo"}];
                                                             ~~~~~~~~~~
!!! error TS2322: Type '({ id: number; } | { id: number; name: string; })[]' is not assignable to type '{ id: number; }[]'.
!!! error TS2322:   Type '{ id: number; } | { id: number; name: string; }' is not assignable to type '{ id: number; }'.
!!! error TS2322:     Type '{ id: number; name: string; }' is not assignable to type '{ id: number; }'.
!!! error TS2322:       Object literal may only specify known properties, and 'name' does not exist in type '{ id: number; }'.