54 lines
2 KiB
Plaintext
54 lines
2 KiB
Plaintext
=== tests/cases/compiler/propagationOfPromiseInitialization.ts ===
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interface IPromise<T> {
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>IPromise : IPromise<T>
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>T : T
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then<TResult>(successCallback: (promiseValue: T) => TResult, errorCallback?: (reason: any) => TResult): IPromise<TResult>;
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>then : <TResult>(successCallback: (promiseValue: T) => TResult, errorCallback?: (reason: any) => TResult) => IPromise<TResult>
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>TResult : TResult
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>successCallback : (promiseValue: T) => TResult
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>promiseValue : T
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>T : T
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>TResult : TResult
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>errorCallback : (reason: any) => TResult
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>reason : any
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>TResult : TResult
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>IPromise : IPromise<T>
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>TResult : TResult
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}
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var foo: IPromise<number>;
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>foo : IPromise<number>
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>IPromise : IPromise<T>
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foo.then((x) => {
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>foo.then((x) => { // x is inferred to be a number return "asdf";}).then((x) => { // x is inferred to be string x.length; return 123;}) : IPromise<number>
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>foo.then((x) => { // x is inferred to be a number return "asdf";}).then : <TResult>(successCallback: (promiseValue: string) => TResult, errorCallback?: (reason: any) => TResult) => IPromise<TResult>
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>foo.then((x) => { // x is inferred to be a number return "asdf";}) : IPromise<string>
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>foo.then : <TResult>(successCallback: (promiseValue: number) => TResult, errorCallback?: (reason: any) => TResult) => IPromise<TResult>
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>foo : IPromise<number>
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>then : <TResult>(successCallback: (promiseValue: number) => TResult, errorCallback?: (reason: any) => TResult) => IPromise<TResult>
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>(x) => { // x is inferred to be a number return "asdf";} : (x: number) => string
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>x : number
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// x is inferred to be a number
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return "asdf";
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>"asdf" : string
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}).then((x) => {
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>then : <TResult>(successCallback: (promiseValue: string) => TResult, errorCallback?: (reason: any) => TResult) => IPromise<TResult>
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>(x) => { // x is inferred to be string x.length; return 123;} : (x: string) => number
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>x : string
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// x is inferred to be string
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x.length;
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>x.length : number
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>x : string
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>length : number
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return 123;
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>123 : number
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});
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