6ab3adfd43
Leading comments have trailing separator while trailing comments have leading space This removes the extra trailing space in the trailing comments
27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
//// [promiseChaining1.ts]
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// same example but with constraints on each type parameter
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class Chain2<T extends { length: number }> {
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constructor(public value: T) { }
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then<S extends Function>(cb: (x: T) => S): Chain2<S> {
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var result = cb(this.value);
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// should get a fresh type parameter which each then call
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var z = this.then(x => result)/*S*/.then(x => "abc")/*Function*/.then(x => x.length)/*number*/; // Should error on "abc" because it is not a Function
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return new Chain2(result);
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}
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}
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//// [promiseChaining1.js]
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// same example but with constraints on each type parameter
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var Chain2 = (function () {
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function Chain2(value) {
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this.value = value;
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}
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Chain2.prototype.then = function (cb) {
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var result = cb(this.value);
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// should get a fresh type parameter which each then call
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var z = this.then(function (x) { return result; }).then(function (x) { return "abc"; }).then(function (x) { return x.length; }) /*number*/; // Should error on "abc" because it is not a Function
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return new Chain2(result);
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};
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return Chain2;
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})();
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