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| 1 | +=== tests/cases/compiler/genericFunctionInference2.ts === |
| 2 | +// Repro from #30685 |
| 3 | + |
| 4 | +type Reducer<S> = (state: S) => S; |
| 5 | +>Reducer : Symbol(Reducer, Decl(genericFunctionInference2.ts, 0, 0)) |
| 6 | +>S : Symbol(S, Decl(genericFunctionInference2.ts, 2, 13)) |
| 7 | +>state : Symbol(state, Decl(genericFunctionInference2.ts, 2, 19)) |
| 8 | +>S : Symbol(S, Decl(genericFunctionInference2.ts, 2, 13)) |
| 9 | +>S : Symbol(S, Decl(genericFunctionInference2.ts, 2, 13)) |
| 10 | + |
| 11 | +declare function combineReducers<S>(reducers: { [K in keyof S]: Reducer<S[K]> }): Reducer<S>; |
| 12 | +>combineReducers : Symbol(combineReducers, Decl(genericFunctionInference2.ts, 2, 34)) |
| 13 | +>S : Symbol(S, Decl(genericFunctionInference2.ts, 3, 33)) |
| 14 | +>reducers : Symbol(reducers, Decl(genericFunctionInference2.ts, 3, 36)) |
| 15 | +>K : Symbol(K, Decl(genericFunctionInference2.ts, 3, 49)) |
| 16 | +>S : Symbol(S, Decl(genericFunctionInference2.ts, 3, 33)) |
| 17 | +>Reducer : Symbol(Reducer, Decl(genericFunctionInference2.ts, 0, 0)) |
| 18 | +>S : Symbol(S, Decl(genericFunctionInference2.ts, 3, 33)) |
| 19 | +>K : Symbol(K, Decl(genericFunctionInference2.ts, 3, 49)) |
| 20 | +>Reducer : Symbol(Reducer, Decl(genericFunctionInference2.ts, 0, 0)) |
| 21 | +>S : Symbol(S, Decl(genericFunctionInference2.ts, 3, 33)) |
| 22 | + |
| 23 | +type MyState = { combined: { foo: number } }; |
| 24 | +>MyState : Symbol(MyState, Decl(genericFunctionInference2.ts, 3, 93)) |
| 25 | +>combined : Symbol(combined, Decl(genericFunctionInference2.ts, 5, 16)) |
| 26 | +>foo : Symbol(foo, Decl(genericFunctionInference2.ts, 5, 28)) |
| 27 | + |
| 28 | +declare const foo: Reducer<MyState['combined']['foo']>; |
| 29 | +>foo : Symbol(foo, Decl(genericFunctionInference2.ts, 6, 13)) |
| 30 | +>Reducer : Symbol(Reducer, Decl(genericFunctionInference2.ts, 0, 0)) |
| 31 | +>MyState : Symbol(MyState, Decl(genericFunctionInference2.ts, 3, 93)) |
| 32 | + |
| 33 | +const myReducer1: Reducer<MyState> = combineReducers({ |
| 34 | +>myReducer1 : Symbol(myReducer1, Decl(genericFunctionInference2.ts, 8, 5)) |
| 35 | +>Reducer : Symbol(Reducer, Decl(genericFunctionInference2.ts, 0, 0)) |
| 36 | +>MyState : Symbol(MyState, Decl(genericFunctionInference2.ts, 3, 93)) |
| 37 | +>combineReducers : Symbol(combineReducers, Decl(genericFunctionInference2.ts, 2, 34)) |
| 38 | + |
| 39 | + combined: combineReducers({ foo }), |
| 40 | +>combined : Symbol(combined, Decl(genericFunctionInference2.ts, 8, 54)) |
| 41 | +>combineReducers : Symbol(combineReducers, Decl(genericFunctionInference2.ts, 2, 34)) |
| 42 | +>foo : Symbol(foo, Decl(genericFunctionInference2.ts, 9, 31)) |
| 43 | + |
| 44 | +}); |
| 45 | + |
| 46 | +const myReducer2 = combineReducers({ |
| 47 | +>myReducer2 : Symbol(myReducer2, Decl(genericFunctionInference2.ts, 12, 5)) |
| 48 | +>combineReducers : Symbol(combineReducers, Decl(genericFunctionInference2.ts, 2, 34)) |
| 49 | + |
| 50 | + combined: combineReducers({ foo }), |
| 51 | +>combined : Symbol(combined, Decl(genericFunctionInference2.ts, 12, 36)) |
| 52 | +>combineReducers : Symbol(combineReducers, Decl(genericFunctionInference2.ts, 2, 34)) |
| 53 | +>foo : Symbol(foo, Decl(genericFunctionInference2.ts, 13, 31)) |
| 54 | + |
| 55 | +}); |
| 56 | + |
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