52 lines
2.3 KiB
Plaintext
52 lines
2.3 KiB
Plaintext
=== tests/cases/compiler/promiseChaining.ts ===
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class Chain<T> {
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>Chain : Symbol(Chain, Decl(promiseChaining.ts, 0, 0))
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>T : Symbol(T, Decl(promiseChaining.ts, 0, 12))
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constructor(public value: T) { }
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>value : Symbol(value, Decl(promiseChaining.ts, 1, 16))
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>T : Symbol(T, Decl(promiseChaining.ts, 0, 12))
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then<S>(cb: (x: T) => S): Chain<S> {
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>then : Symbol(then, Decl(promiseChaining.ts, 1, 36))
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>S : Symbol(S, Decl(promiseChaining.ts, 2, 9))
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>cb : Symbol(cb, Decl(promiseChaining.ts, 2, 12))
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>x : Symbol(x, Decl(promiseChaining.ts, 2, 17))
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>T : Symbol(T, Decl(promiseChaining.ts, 0, 12))
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>S : Symbol(S, Decl(promiseChaining.ts, 2, 9))
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>Chain : Symbol(Chain, Decl(promiseChaining.ts, 0, 0))
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>S : Symbol(S, Decl(promiseChaining.ts, 2, 9))
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var result = cb(this.value);
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>result : Symbol(result, Decl(promiseChaining.ts, 3, 11))
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>cb : Symbol(cb, Decl(promiseChaining.ts, 2, 12))
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>this.value : Symbol(value, Decl(promiseChaining.ts, 1, 16))
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>this : Symbol(Chain, Decl(promiseChaining.ts, 0, 0))
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>value : Symbol(value, Decl(promiseChaining.ts, 1, 16))
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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")/*string*/.then(x => x.length)/*number*/; // No error
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>z : Symbol(z, Decl(promiseChaining.ts, 5, 11))
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>this.then(x => result)/*S*/.then(x => "abc")/*string*/.then : Symbol(Chain.then, Decl(promiseChaining.ts, 1, 36))
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>this.then(x => result)/*S*/.then : Symbol(Chain.then, Decl(promiseChaining.ts, 1, 36))
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>this.then : Symbol(then, Decl(promiseChaining.ts, 1, 36))
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>this : Symbol(Chain, Decl(promiseChaining.ts, 0, 0))
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>then : Symbol(then, Decl(promiseChaining.ts, 1, 36))
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>x : Symbol(x, Decl(promiseChaining.ts, 5, 26))
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>result : Symbol(result, Decl(promiseChaining.ts, 3, 11))
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>then : Symbol(Chain.then, Decl(promiseChaining.ts, 1, 36))
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>x : Symbol(x, Decl(promiseChaining.ts, 5, 49))
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>then : Symbol(Chain.then, Decl(promiseChaining.ts, 1, 36))
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>x : Symbol(x, Decl(promiseChaining.ts, 5, 76))
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>x.length : Symbol(String.length, Decl(lib.d.ts, 414, 19))
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>x : Symbol(x, Decl(promiseChaining.ts, 5, 76))
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>length : Symbol(String.length, Decl(lib.d.ts, 414, 19))
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return new Chain(result);
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>Chain : Symbol(Chain, Decl(promiseChaining.ts, 0, 0))
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>result : Symbol(result, Decl(promiseChaining.ts, 3, 11))
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}
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}
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