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declare module M {
interface iBar { t: any; }
interface iFoo extends iBar {
s: any;
}
class cFoo {
t: any;
}
var foo: { [index: any]; }; // expect an error here
}
interface myInt {
voidFn(): void;
}
var myVar: myInt;
var strArray: string[] = [myVar.voidFn()];
var myArray: number[][][];
myArray = [[1, 2]];
function isEmpty(l: { length: number }) {
return l.length === 0;
}
isEmpty([]);
isEmpty(new Array(3));
isEmpty(new Array<string>(3));
isEmpty(['a']);
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