Accept new baselines
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Anders Hejlsberg
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tests/baselines/reference/deferredLookupTypeResolution.js
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64
tests/baselines/reference/deferredLookupTypeResolution.js
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//// [deferredLookupTypeResolution.ts]
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// Repro from #17456
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type StringContains<S extends string, L extends string> = (
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{ [K in S]: 'true' } &
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{ [key: string]: 'false' }
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)[L]
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type ObjectHasKey<O, L extends string> = StringContains<keyof O, L>
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type First<T> = ObjectHasKey<T, '0'>; // Should be deferred
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type T1 = ObjectHasKey<{ a: string }, 'a'>; // 'true'
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type T2 = ObjectHasKey<{ a: string }, 'b'>; // 'false'
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// Verify that mapped type isn't eagerly resolved in type-to-string operation
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declare function f1<A extends string, B extends string>(a: A, b: B): { [P in A | B]: any };
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function f2<A extends string>(a: A) {
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return f1(a, 'x');
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}
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function f3(x: 'a' | 'b') {
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return f2(x);
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}
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//// [deferredLookupTypeResolution.js]
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"use strict";
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// Repro from #17456
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function f2(a) {
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return f1(a, 'x');
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}
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function f3(x) {
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return f2(x);
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}
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//// [deferredLookupTypeResolution.d.ts]
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declare type StringContains<S extends string, L extends string> = ({
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[K in S]: 'true';
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} & {
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[key: string]: 'false';
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})[L];
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declare type ObjectHasKey<O, L extends string> = StringContains<keyof O, L>;
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declare type First<T> = ObjectHasKey<T, '0'>;
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declare type T1 = ObjectHasKey<{
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a: string;
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}, 'a'>;
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declare type T2 = ObjectHasKey<{
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a: string;
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}, 'b'>;
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declare function f1<A extends string, B extends string>(a: A, b: B): {
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[P in A | B]: any;
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};
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declare function f2<A extends string>(a: A): {
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[P in A | "x"]: any;
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};
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declare function f3(x: 'a' | 'b'): {
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a: any;
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b: any;
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x: any;
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};
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=== tests/cases/compiler/deferredLookupTypeResolution.ts ===
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// Repro from #17456
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type StringContains<S extends string, L extends string> = (
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>StringContains : Symbol(StringContains, Decl(deferredLookupTypeResolution.ts, 0, 0))
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>S : Symbol(S, Decl(deferredLookupTypeResolution.ts, 2, 20))
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>L : Symbol(L, Decl(deferredLookupTypeResolution.ts, 2, 37))
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{ [K in S]: 'true' } &
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>K : Symbol(K, Decl(deferredLookupTypeResolution.ts, 3, 7))
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>S : Symbol(S, Decl(deferredLookupTypeResolution.ts, 2, 20))
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{ [key: string]: 'false' }
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>key : Symbol(key, Decl(deferredLookupTypeResolution.ts, 4, 7))
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)[L]
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>L : Symbol(L, Decl(deferredLookupTypeResolution.ts, 2, 37))
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type ObjectHasKey<O, L extends string> = StringContains<keyof O, L>
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>ObjectHasKey : Symbol(ObjectHasKey, Decl(deferredLookupTypeResolution.ts, 5, 6))
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>O : Symbol(O, Decl(deferredLookupTypeResolution.ts, 7, 18))
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>L : Symbol(L, Decl(deferredLookupTypeResolution.ts, 7, 20))
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>StringContains : Symbol(StringContains, Decl(deferredLookupTypeResolution.ts, 0, 0))
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>O : Symbol(O, Decl(deferredLookupTypeResolution.ts, 7, 18))
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>L : Symbol(L, Decl(deferredLookupTypeResolution.ts, 7, 20))
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type First<T> = ObjectHasKey<T, '0'>; // Should be deferred
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>First : Symbol(First, Decl(deferredLookupTypeResolution.ts, 7, 67))
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>T : Symbol(T, Decl(deferredLookupTypeResolution.ts, 9, 11))
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>ObjectHasKey : Symbol(ObjectHasKey, Decl(deferredLookupTypeResolution.ts, 5, 6))
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>T : Symbol(T, Decl(deferredLookupTypeResolution.ts, 9, 11))
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type T1 = ObjectHasKey<{ a: string }, 'a'>; // 'true'
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>T1 : Symbol(T1, Decl(deferredLookupTypeResolution.ts, 9, 37))
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>ObjectHasKey : Symbol(ObjectHasKey, Decl(deferredLookupTypeResolution.ts, 5, 6))
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>a : Symbol(a, Decl(deferredLookupTypeResolution.ts, 11, 24))
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type T2 = ObjectHasKey<{ a: string }, 'b'>; // 'false'
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>T2 : Symbol(T2, Decl(deferredLookupTypeResolution.ts, 11, 43))
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>ObjectHasKey : Symbol(ObjectHasKey, Decl(deferredLookupTypeResolution.ts, 5, 6))
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>a : Symbol(a, Decl(deferredLookupTypeResolution.ts, 12, 24))
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// Verify that mapped type isn't eagerly resolved in type-to-string operation
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declare function f1<A extends string, B extends string>(a: A, b: B): { [P in A | B]: any };
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>f1 : Symbol(f1, Decl(deferredLookupTypeResolution.ts, 12, 43))
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>A : Symbol(A, Decl(deferredLookupTypeResolution.ts, 16, 20))
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>B : Symbol(B, Decl(deferredLookupTypeResolution.ts, 16, 37))
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>a : Symbol(a, Decl(deferredLookupTypeResolution.ts, 16, 56))
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>A : Symbol(A, Decl(deferredLookupTypeResolution.ts, 16, 20))
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>b : Symbol(b, Decl(deferredLookupTypeResolution.ts, 16, 61))
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>B : Symbol(B, Decl(deferredLookupTypeResolution.ts, 16, 37))
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>P : Symbol(P, Decl(deferredLookupTypeResolution.ts, 16, 72))
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>A : Symbol(A, Decl(deferredLookupTypeResolution.ts, 16, 20))
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>B : Symbol(B, Decl(deferredLookupTypeResolution.ts, 16, 37))
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function f2<A extends string>(a: A) {
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>f2 : Symbol(f2, Decl(deferredLookupTypeResolution.ts, 16, 91))
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>A : Symbol(A, Decl(deferredLookupTypeResolution.ts, 18, 12))
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>a : Symbol(a, Decl(deferredLookupTypeResolution.ts, 18, 30))
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>A : Symbol(A, Decl(deferredLookupTypeResolution.ts, 18, 12))
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return f1(a, 'x');
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>f1 : Symbol(f1, Decl(deferredLookupTypeResolution.ts, 12, 43))
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>a : Symbol(a, Decl(deferredLookupTypeResolution.ts, 18, 30))
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}
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function f3(x: 'a' | 'b') {
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>f3 : Symbol(f3, Decl(deferredLookupTypeResolution.ts, 20, 1))
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>x : Symbol(x, Decl(deferredLookupTypeResolution.ts, 22, 12))
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return f2(x);
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>f2 : Symbol(f2, Decl(deferredLookupTypeResolution.ts, 16, 91))
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>x : Symbol(x, Decl(deferredLookupTypeResolution.ts, 22, 12))
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}
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79
tests/baselines/reference/deferredLookupTypeResolution.types
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79
tests/baselines/reference/deferredLookupTypeResolution.types
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@ -0,0 +1,79 @@
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=== tests/cases/compiler/deferredLookupTypeResolution.ts ===
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// Repro from #17456
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type StringContains<S extends string, L extends string> = (
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>StringContains : ({ [K in S]: "true"; } & { [key: string]: "false"; })[L]
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>S : S
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>L : L
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{ [K in S]: 'true' } &
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>K : K
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>S : S
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{ [key: string]: 'false' }
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>key : string
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)[L]
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>L : L
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type ObjectHasKey<O, L extends string> = StringContains<keyof O, L>
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>ObjectHasKey : ({ [K in S]: "true"; } & { [key: string]: "false"; })[L]
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>O : O
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>L : L
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>StringContains : ({ [K in S]: "true"; } & { [key: string]: "false"; })[L]
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>O : O
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>L : L
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type First<T> = ObjectHasKey<T, '0'>; // Should be deferred
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>First : ({ [K in S]: "true"; } & { [key: string]: "false"; })["0"]
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>T : T
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>ObjectHasKey : ({ [K in S]: "true"; } & { [key: string]: "false"; })[L]
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>T : T
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type T1 = ObjectHasKey<{ a: string }, 'a'>; // 'true'
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>T1 : "true"
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>ObjectHasKey : ({ [K in S]: "true"; } & { [key: string]: "false"; })[L]
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>a : string
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type T2 = ObjectHasKey<{ a: string }, 'b'>; // 'false'
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>T2 : "false"
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>ObjectHasKey : ({ [K in S]: "true"; } & { [key: string]: "false"; })[L]
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>a : string
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// Verify that mapped type isn't eagerly resolved in type-to-string operation
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declare function f1<A extends string, B extends string>(a: A, b: B): { [P in A | B]: any };
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>f1 : <A extends string, B extends string>(a: A, b: B) => { [P in A | B]: any; }
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>A : A
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>B : B
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>a : A
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>A : A
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>b : B
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>B : B
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>P : P
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>A : A
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>B : B
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function f2<A extends string>(a: A) {
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>f2 : <A extends string>(a: A) => { [P in A | B]: any; }
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>A : A
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>a : A
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>A : A
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return f1(a, 'x');
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>f1(a, 'x') : { [P in A | B]: any; }
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>f1 : <A extends string, B extends string>(a: A, b: B) => { [P in A | B]: any; }
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>a : A
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>'x' : "x"
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}
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function f3(x: 'a' | 'b') {
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>f3 : (x: "a" | "b") => { a: any; b: any; x: any; }
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>x : "a" | "b"
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return f2(x);
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>f2(x) : { a: any; b: any; x: any; }
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>f2 : <A extends string>(a: A) => { [P in A | B]: any; }
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>x : "a" | "b"
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}
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