==== tests/cases/compiler/typeInfer1.ts (1 errors) ====
    interface ITextWriter2 {
        Write(s:string):void;
        WriteLine(s:string):void;
    }
    
    var x: ITextWriter2 = {
        Write: function (s:string):void {},
        WriteLine: function(s:string):void {}
    }
    
    var yyyyyyyy: ITextWriter2 = {
        ~~~~~~~~
!!! Type '{ Moo: () => string; }' is not assignable to type 'ITextWriter2':
!!!   Property 'Write' is missing in type '{ Moo: () => string; }'.
        Moo: function() { return "cow"; }
    }