90 lines
4.1 KiB
Plaintext
90 lines
4.1 KiB
Plaintext
=== tests/cases/compiler/promiseIdentity.ts ===
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interface IPromise<T> {
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>IPromise : Symbol(IPromise, Decl(promiseIdentity.ts, 0, 0))
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>T : Symbol(T, Decl(promiseIdentity.ts, 0, 19))
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then<U>(callback: (x: T) => IPromise<U>): IPromise<U>;
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>then : Symbol(then, Decl(promiseIdentity.ts, 0, 23))
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>U : Symbol(U, Decl(promiseIdentity.ts, 1, 9))
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>callback : Symbol(callback, Decl(promiseIdentity.ts, 1, 12))
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>x : Symbol(x, Decl(promiseIdentity.ts, 1, 23))
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>T : Symbol(T, Decl(promiseIdentity.ts, 0, 19))
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>IPromise : Symbol(IPromise, Decl(promiseIdentity.ts, 0, 0))
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>U : Symbol(U, Decl(promiseIdentity.ts, 1, 9))
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>IPromise : Symbol(IPromise, Decl(promiseIdentity.ts, 0, 0))
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>U : Symbol(U, Decl(promiseIdentity.ts, 1, 9))
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}
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interface Promise<T> {
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>Promise : Symbol(Promise, Decl(promiseIdentity.ts, 2, 1))
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>T : Symbol(T, Decl(promiseIdentity.ts, 3, 18))
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then<U>(callback: (x: T) => Promise<U>): Promise<U>;
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>then : Symbol(then, Decl(promiseIdentity.ts, 3, 22))
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>U : Symbol(U, Decl(promiseIdentity.ts, 4, 9))
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>callback : Symbol(callback, Decl(promiseIdentity.ts, 4, 12))
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>x : Symbol(x, Decl(promiseIdentity.ts, 4, 23))
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>T : Symbol(T, Decl(promiseIdentity.ts, 3, 18))
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>Promise : Symbol(Promise, Decl(promiseIdentity.ts, 2, 1))
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>U : Symbol(U, Decl(promiseIdentity.ts, 4, 9))
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>Promise : Symbol(Promise, Decl(promiseIdentity.ts, 2, 1))
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>U : Symbol(U, Decl(promiseIdentity.ts, 4, 9))
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}
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var x: IPromise<string>;
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>x : Symbol(x, Decl(promiseIdentity.ts, 6, 3), Decl(promiseIdentity.ts, 7, 3))
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>IPromise : Symbol(IPromise, Decl(promiseIdentity.ts, 0, 0))
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var x: Promise<string>;
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>x : Symbol(x, Decl(promiseIdentity.ts, 6, 3), Decl(promiseIdentity.ts, 7, 3))
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>Promise : Symbol(Promise, Decl(promiseIdentity.ts, 2, 1))
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interface IPromise2<T, V> {
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>IPromise2 : Symbol(IPromise2, Decl(promiseIdentity.ts, 7, 23))
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>T : Symbol(T, Decl(promiseIdentity.ts, 10, 20))
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>V : Symbol(V, Decl(promiseIdentity.ts, 10, 22))
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then<U, W>(callback: (x: T) => IPromise2<U, W>): IPromise2<W, U>;
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>then : Symbol(then, Decl(promiseIdentity.ts, 10, 27))
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>U : Symbol(U, Decl(promiseIdentity.ts, 11, 9))
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>W : Symbol(W, Decl(promiseIdentity.ts, 11, 11))
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>callback : Symbol(callback, Decl(promiseIdentity.ts, 11, 15))
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>x : Symbol(x, Decl(promiseIdentity.ts, 11, 26))
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>T : Symbol(T, Decl(promiseIdentity.ts, 10, 20))
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>IPromise2 : Symbol(IPromise2, Decl(promiseIdentity.ts, 7, 23))
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>U : Symbol(U, Decl(promiseIdentity.ts, 11, 9))
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>W : Symbol(W, Decl(promiseIdentity.ts, 11, 11))
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>IPromise2 : Symbol(IPromise2, Decl(promiseIdentity.ts, 7, 23))
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>W : Symbol(W, Decl(promiseIdentity.ts, 11, 11))
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>U : Symbol(U, Decl(promiseIdentity.ts, 11, 9))
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}
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interface Promise2<T, V> {
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>Promise2 : Symbol(Promise2, Decl(promiseIdentity.ts, 12, 1))
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>T : Symbol(T, Decl(promiseIdentity.ts, 13, 19))
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>V : Symbol(V, Decl(promiseIdentity.ts, 13, 21))
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then<U, W>(callback: (x: V) => Promise2<U, T>): Promise2<T, W>; // Uses V instead of T in callback's parameter
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>then : Symbol(then, Decl(promiseIdentity.ts, 13, 26))
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>U : Symbol(U, Decl(promiseIdentity.ts, 14, 9))
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>W : Symbol(W, Decl(promiseIdentity.ts, 14, 11))
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>callback : Symbol(callback, Decl(promiseIdentity.ts, 14, 15))
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>x : Symbol(x, Decl(promiseIdentity.ts, 14, 26))
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>V : Symbol(V, Decl(promiseIdentity.ts, 13, 21))
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>Promise2 : Symbol(Promise2, Decl(promiseIdentity.ts, 12, 1))
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>U : Symbol(U, Decl(promiseIdentity.ts, 14, 9))
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>T : Symbol(T, Decl(promiseIdentity.ts, 13, 19))
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>Promise2 : Symbol(Promise2, Decl(promiseIdentity.ts, 12, 1))
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>T : Symbol(T, Decl(promiseIdentity.ts, 13, 19))
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>W : Symbol(W, Decl(promiseIdentity.ts, 14, 11))
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}
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// Ok because T in this particular Promise2 is any, as are all the U and W references.
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// Also, the V of Promise2 happens to coincide with the T of IPromise2 (they are both string).
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var y: IPromise2<string, number>;
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>y : Symbol(y, Decl(promiseIdentity.ts, 19, 3), Decl(promiseIdentity.ts, 20, 3))
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>IPromise2 : Symbol(IPromise2, Decl(promiseIdentity.ts, 7, 23))
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var y: Promise2<any, string>;
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>y : Symbol(y, Decl(promiseIdentity.ts, 19, 3), Decl(promiseIdentity.ts, 20, 3))
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>Promise2 : Symbol(Promise2, Decl(promiseIdentity.ts, 12, 1))
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