File: destructuringWithGenericParameter.ts

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node-typescript 2.1.5-1~bpo8%2B1
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class GenericClass<T> {
    payload: T;
}

var genericObject = new GenericClass<{ greeting: string }>();

function genericFunction<T>(object: GenericClass<T>, callback: (payload: T) => void) {
    callback(object.payload);
}

genericFunction(genericObject, ({greeting}) => {
    var s = greeting.toLocaleLowerCase();  // Greeting should be of type string
});