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//// [promiseChaining.ts]
class Chain<T> {
constructor(public value: T) { }
then<S>(cb: (x: T) => S): Chain<S> {
var result = cb(this.value);
// should get a fresh type parameter which each then call
var z = this.then(x => result)/*S*/.then(x => "abc")/*string*/.then(x => x.length)/*number*/; // No error
return new Chain(result);
}
}
//// [promiseChaining.js]
var Chain = /** @class */ (function () {
function Chain(value) {
this.value = value;
}
Chain.prototype.then = function (cb) {
var result = cb(this.value);
// should get a fresh type parameter which each then call
var z = this.then(function (x) { return result; }) /*S*/.then(function (x) { return "abc"; }) /*string*/.then(function (x) { return x.length; }) /*number*/; // No error
return new Chain(result);
};
return Chain;
}());
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