File: intersectionReduction.symbols

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=== tests/cases/conformance/types/intersection/intersectionReduction.ts ===
declare const sym1: unique symbol;
>sym1 : Symbol(sym1, Decl(intersectionReduction.ts, 0, 13))

declare const sym2: unique symbol;
>sym2 : Symbol(sym2, Decl(intersectionReduction.ts, 1, 13))

type T1 = string & 'a';  // 'a'
>T1 : Symbol(T1, Decl(intersectionReduction.ts, 1, 34))

type T2 = 'a' & string & 'b';  // never
>T2 : Symbol(T2, Decl(intersectionReduction.ts, 3, 23))

type T3 = number & 10;  // 10
>T3 : Symbol(T3, Decl(intersectionReduction.ts, 4, 29))

type T4 = 10 & number & 20;  // never
>T4 : Symbol(T4, Decl(intersectionReduction.ts, 5, 22))

type T5 = symbol & typeof sym1;  // typeof sym1
>T5 : Symbol(T5, Decl(intersectionReduction.ts, 6, 27))
>sym1 : Symbol(sym1, Decl(intersectionReduction.ts, 0, 13))

type T6 = typeof sym1 & symbol & typeof sym2;  // never
>T6 : Symbol(T6, Decl(intersectionReduction.ts, 7, 31))
>sym1 : Symbol(sym1, Decl(intersectionReduction.ts, 0, 13))
>sym2 : Symbol(sym2, Decl(intersectionReduction.ts, 1, 13))

type T7 = string & 'a' & number & 10 & symbol & typeof sym1;  // never
>T7 : Symbol(T7, Decl(intersectionReduction.ts, 8, 45))
>sym1 : Symbol(sym1, Decl(intersectionReduction.ts, 0, 13))

type T10 = string & ('a' | 'b');  // 'a' | 'b'
>T10 : Symbol(T10, Decl(intersectionReduction.ts, 9, 60))

type T11 = (string | number) & ('a' | 10);  // 'a' | 10
>T11 : Symbol(T11, Decl(intersectionReduction.ts, 11, 32))

type N1 = 'a' & 'b';
>N1 : Symbol(N1, Decl(intersectionReduction.ts, 12, 42))

type N2 = { a: string } & null;
>N2 : Symbol(N2, Decl(intersectionReduction.ts, 14, 20))
>a : Symbol(a, Decl(intersectionReduction.ts, 15, 11))

type N3 = { a: string } & undefined;
>N3 : Symbol(N3, Decl(intersectionReduction.ts, 15, 31))
>a : Symbol(a, Decl(intersectionReduction.ts, 16, 11))

type N4 = string & number;
>N4 : Symbol(N4, Decl(intersectionReduction.ts, 16, 36))

type N5 = number & object;
>N5 : Symbol(N5, Decl(intersectionReduction.ts, 17, 26))

type N6 = symbol & string;
>N6 : Symbol(N6, Decl(intersectionReduction.ts, 18, 26))

type N7 = void & string;
>N7 : Symbol(N7, Decl(intersectionReduction.ts, 19, 26))

type X = { x: string };
>X : Symbol(X, Decl(intersectionReduction.ts, 20, 24))
>x : Symbol(x, Decl(intersectionReduction.ts, 22, 10))

type X1 = X | 'a' & 'b';
>X1 : Symbol(X1, Decl(intersectionReduction.ts, 22, 23))
>X : Symbol(X, Decl(intersectionReduction.ts, 20, 24))

type X2 = X | { a: string } & null;
>X2 : Symbol(X2, Decl(intersectionReduction.ts, 24, 24))
>X : Symbol(X, Decl(intersectionReduction.ts, 20, 24))
>a : Symbol(a, Decl(intersectionReduction.ts, 25, 15))

type X3 = X | { a: string } & undefined;
>X3 : Symbol(X3, Decl(intersectionReduction.ts, 25, 35))
>X : Symbol(X, Decl(intersectionReduction.ts, 20, 24))
>a : Symbol(a, Decl(intersectionReduction.ts, 26, 15))

type X4 = X | string & number;
>X4 : Symbol(X4, Decl(intersectionReduction.ts, 26, 40))
>X : Symbol(X, Decl(intersectionReduction.ts, 20, 24))

type X5 = X | number & object;
>X5 : Symbol(X5, Decl(intersectionReduction.ts, 27, 30))
>X : Symbol(X, Decl(intersectionReduction.ts, 20, 24))

type X6 = X | symbol & string;
>X6 : Symbol(X6, Decl(intersectionReduction.ts, 28, 30))
>X : Symbol(X, Decl(intersectionReduction.ts, 20, 24))

type X7 = X | void & string;
>X7 : Symbol(X7, Decl(intersectionReduction.ts, 29, 30))
>X : Symbol(X, Decl(intersectionReduction.ts, 20, 24))

type A = { kind: 'a', foo: string };
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>kind : Symbol(kind, Decl(intersectionReduction.ts, 32, 10))
>foo : Symbol(foo, Decl(intersectionReduction.ts, 32, 21))

type B = { kind: 'b', foo: number };
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))
>kind : Symbol(kind, Decl(intersectionReduction.ts, 33, 10))
>foo : Symbol(foo, Decl(intersectionReduction.ts, 33, 21))

type C = { kind: 'c', foo: number };
>C : Symbol(C, Decl(intersectionReduction.ts, 33, 36))
>kind : Symbol(kind, Decl(intersectionReduction.ts, 34, 10))
>foo : Symbol(foo, Decl(intersectionReduction.ts, 34, 21))

declare let ab: A & B;
>ab : Symbol(ab, Decl(intersectionReduction.ts, 36, 11))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))

ab.kind;  // Error
>ab : Symbol(ab, Decl(intersectionReduction.ts, 36, 11))

declare let x: A | (B & C);  // A
>x : Symbol(x, Decl(intersectionReduction.ts, 39, 11))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))
>C : Symbol(C, Decl(intersectionReduction.ts, 33, 36))

let a: A = x;
>a : Symbol(a, Decl(intersectionReduction.ts, 40, 3))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>x : Symbol(x, Decl(intersectionReduction.ts, 39, 11))

type AB = A & B;  // never
>AB : Symbol(AB, Decl(intersectionReduction.ts, 40, 13))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))

type BC = B & C;  // never
>BC : Symbol(BC, Decl(intersectionReduction.ts, 42, 16))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))
>C : Symbol(C, Decl(intersectionReduction.ts, 33, 36))

type U1 = Partial<A & B>;  // never
>U1 : Symbol(U1, Decl(intersectionReduction.ts, 43, 16))
>Partial : Symbol(Partial, Decl(lib.es5.d.ts, --, --))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))

type U2 = Readonly<A & B>;  // never
>U2 : Symbol(U2, Decl(intersectionReduction.ts, 45, 25))
>Readonly : Symbol(Readonly, Decl(lib.es5.d.ts, --, --))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))

type U3 = (A & B)['kind'];  // never
>U3 : Symbol(U3, Decl(intersectionReduction.ts, 46, 26))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))

type U4 = A & B | B & C;  // never
>U4 : Symbol(U4, Decl(intersectionReduction.ts, 47, 26))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))
>C : Symbol(C, Decl(intersectionReduction.ts, 33, 36))

type U5 = A | B & C;  // A
>U5 : Symbol(U5, Decl(intersectionReduction.ts, 48, 24))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))
>C : Symbol(C, Decl(intersectionReduction.ts, 33, 36))

type K1 = keyof (A & B);  // string | number | symbol
>K1 : Symbol(K1, Decl(intersectionReduction.ts, 49, 20))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))

type K2 = keyof A | keyof B;  // 'kind' | 'foo'
>K2 : Symbol(K2, Decl(intersectionReduction.ts, 51, 24))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>B : Symbol(B, Decl(intersectionReduction.ts, 32, 36))

type Merge1<T, U> = { [P in keyof (T & U)]: P extends keyof T ? T[P] : U[P & keyof U] }
>Merge1 : Symbol(Merge1, Decl(intersectionReduction.ts, 52, 28))
>T : Symbol(T, Decl(intersectionReduction.ts, 54, 12))
>U : Symbol(U, Decl(intersectionReduction.ts, 54, 14))
>P : Symbol(P, Decl(intersectionReduction.ts, 54, 23))
>T : Symbol(T, Decl(intersectionReduction.ts, 54, 12))
>U : Symbol(U, Decl(intersectionReduction.ts, 54, 14))
>P : Symbol(P, Decl(intersectionReduction.ts, 54, 23))
>T : Symbol(T, Decl(intersectionReduction.ts, 54, 12))
>T : Symbol(T, Decl(intersectionReduction.ts, 54, 12))
>P : Symbol(P, Decl(intersectionReduction.ts, 54, 23))
>U : Symbol(U, Decl(intersectionReduction.ts, 54, 14))
>P : Symbol(P, Decl(intersectionReduction.ts, 54, 23))
>U : Symbol(U, Decl(intersectionReduction.ts, 54, 14))

type Merge2<T, U> = { [P in keyof T | keyof U]: P extends keyof T ? T[P] : U[P & keyof U] }
>Merge2 : Symbol(Merge2, Decl(intersectionReduction.ts, 54, 87))
>T : Symbol(T, Decl(intersectionReduction.ts, 55, 12))
>U : Symbol(U, Decl(intersectionReduction.ts, 55, 14))
>P : Symbol(P, Decl(intersectionReduction.ts, 55, 23))
>T : Symbol(T, Decl(intersectionReduction.ts, 55, 12))
>U : Symbol(U, Decl(intersectionReduction.ts, 55, 14))
>P : Symbol(P, Decl(intersectionReduction.ts, 55, 23))
>T : Symbol(T, Decl(intersectionReduction.ts, 55, 12))
>T : Symbol(T, Decl(intersectionReduction.ts, 55, 12))
>P : Symbol(P, Decl(intersectionReduction.ts, 55, 23))
>U : Symbol(U, Decl(intersectionReduction.ts, 55, 14))
>P : Symbol(P, Decl(intersectionReduction.ts, 55, 23))
>U : Symbol(U, Decl(intersectionReduction.ts, 55, 14))

type M1 = { a: 1, b: 2 } & { a: 2, c: 3 };  // never
>M1 : Symbol(M1, Decl(intersectionReduction.ts, 55, 91))
>a : Symbol(a, Decl(intersectionReduction.ts, 57, 11))
>b : Symbol(b, Decl(intersectionReduction.ts, 57, 17))
>a : Symbol(a, Decl(intersectionReduction.ts, 57, 28))
>c : Symbol(c, Decl(intersectionReduction.ts, 57, 34))

type M2 = Merge1<{ a: 1, b: 2 }, { a: 2, c: 3 }>;  // {}
>M2 : Symbol(M2, Decl(intersectionReduction.ts, 57, 42))
>Merge1 : Symbol(Merge1, Decl(intersectionReduction.ts, 52, 28))
>a : Symbol(a, Decl(intersectionReduction.ts, 58, 18))
>b : Symbol(b, Decl(intersectionReduction.ts, 58, 24))
>a : Symbol(a, Decl(intersectionReduction.ts, 58, 34))
>c : Symbol(c, Decl(intersectionReduction.ts, 58, 40))

type M3 = Merge2<{ a: 1, b: 2 }, { a: 2, c: 3 }>;  // { a: 1, b: 2, c: 3 }
>M3 : Symbol(M3, Decl(intersectionReduction.ts, 58, 49))
>Merge2 : Symbol(Merge2, Decl(intersectionReduction.ts, 54, 87))
>a : Symbol(a, Decl(intersectionReduction.ts, 59, 18))
>b : Symbol(b, Decl(intersectionReduction.ts, 59, 24))
>a : Symbol(a, Decl(intersectionReduction.ts, 59, 34))
>c : Symbol(c, Decl(intersectionReduction.ts, 59, 40))

type D = { kind: 'd', foo: unknown };
>D : Symbol(D, Decl(intersectionReduction.ts, 59, 49))
>kind : Symbol(kind, Decl(intersectionReduction.ts, 61, 10))
>foo : Symbol(foo, Decl(intersectionReduction.ts, 61, 21))

type E = { kind: 'e', foo: unknown };
>E : Symbol(E, Decl(intersectionReduction.ts, 61, 37))
>kind : Symbol(kind, Decl(intersectionReduction.ts, 62, 10))
>foo : Symbol(foo, Decl(intersectionReduction.ts, 62, 21))

declare function f10<T>(x: { foo: T }): T;
>f10 : Symbol(f10, Decl(intersectionReduction.ts, 62, 37))
>T : Symbol(T, Decl(intersectionReduction.ts, 64, 21))
>x : Symbol(x, Decl(intersectionReduction.ts, 64, 24))
>foo : Symbol(foo, Decl(intersectionReduction.ts, 64, 28))
>T : Symbol(T, Decl(intersectionReduction.ts, 64, 21))
>T : Symbol(T, Decl(intersectionReduction.ts, 64, 21))

declare let a1: A | D;
>a1 : Symbol(a1, Decl(intersectionReduction.ts, 66, 11))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>D : Symbol(D, Decl(intersectionReduction.ts, 59, 49))

declare let a2: A | D & E;
>a2 : Symbol(a2, Decl(intersectionReduction.ts, 67, 11))
>A : Symbol(A, Decl(intersectionReduction.ts, 30, 28))
>D : Symbol(D, Decl(intersectionReduction.ts, 59, 49))
>E : Symbol(E, Decl(intersectionReduction.ts, 61, 37))

let r1 = f10(a1);  // unknown
>r1 : Symbol(r1, Decl(intersectionReduction.ts, 69, 3))
>f10 : Symbol(f10, Decl(intersectionReduction.ts, 62, 37))
>a1 : Symbol(a1, Decl(intersectionReduction.ts, 66, 11))

let r2 = f10(a2);  // string
>r2 : Symbol(r2, Decl(intersectionReduction.ts, 70, 3))
>f10 : Symbol(f10, Decl(intersectionReduction.ts, 62, 37))
>a2 : Symbol(a2, Decl(intersectionReduction.ts, 67, 11))

// Repro from #31663

const x1 = { a: 'foo', b: 42 };
>x1 : Symbol(x1, Decl(intersectionReduction.ts, 74, 5))
>a : Symbol(a, Decl(intersectionReduction.ts, 74, 12))
>b : Symbol(b, Decl(intersectionReduction.ts, 74, 22))

const x2 = { a: 'foo', b: true };
>x2 : Symbol(x2, Decl(intersectionReduction.ts, 75, 5))
>a : Symbol(a, Decl(intersectionReduction.ts, 75, 12))
>b : Symbol(b, Decl(intersectionReduction.ts, 75, 22))

declare let k: 'a' | 'b';
>k : Symbol(k, Decl(intersectionReduction.ts, 77, 11))

x1[k] = 'bar' as any;  // Error
>x1 : Symbol(x1, Decl(intersectionReduction.ts, 74, 5))
>k : Symbol(k, Decl(intersectionReduction.ts, 77, 11))

x2[k] = 'bar' as any;  // Error
>x2 : Symbol(x2, Decl(intersectionReduction.ts, 75, 5))
>k : Symbol(k, Decl(intersectionReduction.ts, 77, 11))

const enum Tag1 {}
>Tag1 : Symbol(Tag1, Decl(intersectionReduction.ts, 80, 21))

const enum Tag2 {}
>Tag2 : Symbol(Tag2, Decl(intersectionReduction.ts, 82, 18))

declare let s1: string & Tag1;
>s1 : Symbol(s1, Decl(intersectionReduction.ts, 85, 11))
>Tag1 : Symbol(Tag1, Decl(intersectionReduction.ts, 80, 21))

declare let s2: string & Tag2;
>s2 : Symbol(s2, Decl(intersectionReduction.ts, 86, 11))
>Tag2 : Symbol(Tag2, Decl(intersectionReduction.ts, 82, 18))

declare let t1: string & Tag1 | undefined;
>t1 : Symbol(t1, Decl(intersectionReduction.ts, 88, 11))
>Tag1 : Symbol(Tag1, Decl(intersectionReduction.ts, 80, 21))

declare let t2: string & Tag2 | undefined;
>t2 : Symbol(t2, Decl(intersectionReduction.ts, 89, 11))
>Tag2 : Symbol(Tag2, Decl(intersectionReduction.ts, 82, 18))

s1 = s2;
>s1 : Symbol(s1, Decl(intersectionReduction.ts, 85, 11))
>s2 : Symbol(s2, Decl(intersectionReduction.ts, 86, 11))

s2 = s1;
>s2 : Symbol(s2, Decl(intersectionReduction.ts, 86, 11))
>s1 : Symbol(s1, Decl(intersectionReduction.ts, 85, 11))

t1 = t2;
>t1 : Symbol(t1, Decl(intersectionReduction.ts, 88, 11))
>t2 : Symbol(t2, Decl(intersectionReduction.ts, 89, 11))

t2 = t1;
>t2 : Symbol(t2, Decl(intersectionReduction.ts, 89, 11))
>t1 : Symbol(t1, Decl(intersectionReduction.ts, 88, 11))

// Repro from #36736

const f1 = (t: "a" | ("b" & "c")): "a" => t;
>f1 : Symbol(f1, Decl(intersectionReduction.ts, 99, 5))
>t : Symbol(t, Decl(intersectionReduction.ts, 99, 12))
>t : Symbol(t, Decl(intersectionReduction.ts, 99, 12))

type Container<Type extends string> = {
>Container : Symbol(Container, Decl(intersectionReduction.ts, 99, 44))
>Type : Symbol(Type, Decl(intersectionReduction.ts, 101, 15))

    type: Type;
>type : Symbol(type, Decl(intersectionReduction.ts, 101, 39))
>Type : Symbol(Type, Decl(intersectionReduction.ts, 101, 15))
}

const f2 = (t: Container<"a"> | (Container<"b"> & Container<"c">)): Container<"a"> => t;
>f2 : Symbol(f2, Decl(intersectionReduction.ts, 105, 5))
>t : Symbol(t, Decl(intersectionReduction.ts, 105, 12))
>Container : Symbol(Container, Decl(intersectionReduction.ts, 99, 44))
>Container : Symbol(Container, Decl(intersectionReduction.ts, 99, 44))
>Container : Symbol(Container, Decl(intersectionReduction.ts, 99, 44))
>Container : Symbol(Container, Decl(intersectionReduction.ts, 99, 44))
>t : Symbol(t, Decl(intersectionReduction.ts, 105, 12))

const f3 = (t: Container<"a"> | (Container<"b"> & { dataB: boolean } & Container<"a">)): Container<"a"> => t;
>f3 : Symbol(f3, Decl(intersectionReduction.ts, 106, 5))
>t : Symbol(t, Decl(intersectionReduction.ts, 106, 12))
>Container : Symbol(Container, Decl(intersectionReduction.ts, 99, 44))
>Container : Symbol(Container, Decl(intersectionReduction.ts, 99, 44))
>dataB : Symbol(dataB, Decl(intersectionReduction.ts, 106, 51))
>Container : Symbol(Container, Decl(intersectionReduction.ts, 99, 44))
>Container : Symbol(Container, Decl(intersectionReduction.ts, 99, 44))
>t : Symbol(t, Decl(intersectionReduction.ts, 106, 12))

const f4 = (t: number | (Container<"b"> & { dataB: boolean } & Container<"a">)): number => t;
>f4 : Symbol(f4, Decl(intersectionReduction.ts, 107, 5))
>t : Symbol(t, Decl(intersectionReduction.ts, 107, 12))
>Container : Symbol(Container, Decl(intersectionReduction.ts, 99, 44))
>dataB : Symbol(dataB, Decl(intersectionReduction.ts, 107, 43))
>Container : Symbol(Container, Decl(intersectionReduction.ts, 99, 44))
>t : Symbol(t, Decl(intersectionReduction.ts, 107, 12))

// Repro from #38549

interface A2 {
>A2 : Symbol(A2, Decl(intersectionReduction.ts, 107, 93))

    kind: "A";
>kind : Symbol(A2.kind, Decl(intersectionReduction.ts, 111, 14))

    a: number;
>a : Symbol(A2.a, Decl(intersectionReduction.ts, 112, 14))
}

interface B2 {
>B2 : Symbol(B2, Decl(intersectionReduction.ts, 114, 1))

    kind: "B";
>kind : Symbol(B2.kind, Decl(intersectionReduction.ts, 116, 14))

    b: number;
>b : Symbol(B2.b, Decl(intersectionReduction.ts, 117, 14))
}

declare const shouldBeB: (A2 | B2) & B2;
>shouldBeB : Symbol(shouldBeB, Decl(intersectionReduction.ts, 121, 13))
>A2 : Symbol(A2, Decl(intersectionReduction.ts, 107, 93))
>B2 : Symbol(B2, Decl(intersectionReduction.ts, 114, 1))
>B2 : Symbol(B2, Decl(intersectionReduction.ts, 114, 1))

const b: B2 = shouldBeB; // works
>b : Symbol(b, Decl(intersectionReduction.ts, 122, 5))
>B2 : Symbol(B2, Decl(intersectionReduction.ts, 114, 1))
>shouldBeB : Symbol(shouldBeB, Decl(intersectionReduction.ts, 121, 13))

function inGeneric<T extends A2 | B2>(alsoShouldBeB: T & B2) {
>inGeneric : Symbol(inGeneric, Decl(intersectionReduction.ts, 122, 24))
>T : Symbol(T, Decl(intersectionReduction.ts, 124, 19))
>A2 : Symbol(A2, Decl(intersectionReduction.ts, 107, 93))
>B2 : Symbol(B2, Decl(intersectionReduction.ts, 114, 1))
>alsoShouldBeB : Symbol(alsoShouldBeB, Decl(intersectionReduction.ts, 124, 38))
>T : Symbol(T, Decl(intersectionReduction.ts, 124, 19))
>B2 : Symbol(B2, Decl(intersectionReduction.ts, 114, 1))

    const b: B2 = alsoShouldBeB;
>b : Symbol(b, Decl(intersectionReduction.ts, 125, 9))
>B2 : Symbol(B2, Decl(intersectionReduction.ts, 114, 1))
>alsoShouldBeB : Symbol(alsoShouldBeB, Decl(intersectionReduction.ts, 124, 38))
}

// Repro from #38542

interface ABI {
>ABI : Symbol(ABI, Decl(intersectionReduction.ts, 126, 1))

    kind: 'a' | 'b';
>kind : Symbol(ABI.kind, Decl(intersectionReduction.ts, 130, 15))
}

declare class CA { kind: 'a'; a: string; x: number };
>CA : Symbol(CA, Decl(intersectionReduction.ts, 132, 1))
>kind : Symbol(CA.kind, Decl(intersectionReduction.ts, 134, 18))
>a : Symbol(CA.a, Decl(intersectionReduction.ts, 134, 29))
>x : Symbol(CA.x, Decl(intersectionReduction.ts, 134, 40))

declare class CB { kind: 'b'; b: string; y: number };
>CB : Symbol(CB, Decl(intersectionReduction.ts, 134, 53))
>kind : Symbol(CB.kind, Decl(intersectionReduction.ts, 135, 18))
>b : Symbol(CB.b, Decl(intersectionReduction.ts, 135, 29))
>y : Symbol(CB.y, Decl(intersectionReduction.ts, 135, 40))

function bar<T extends CA | CB>(x: T & CA) {
>bar : Symbol(bar, Decl(intersectionReduction.ts, 135, 53))
>T : Symbol(T, Decl(intersectionReduction.ts, 137, 13))
>CA : Symbol(CA, Decl(intersectionReduction.ts, 132, 1))
>CB : Symbol(CB, Decl(intersectionReduction.ts, 134, 53))
>x : Symbol(x, Decl(intersectionReduction.ts, 137, 32))
>T : Symbol(T, Decl(intersectionReduction.ts, 137, 13))
>CA : Symbol(CA, Decl(intersectionReduction.ts, 132, 1))

    let ab: ABI = x;
>ab : Symbol(ab, Decl(intersectionReduction.ts, 138, 7))
>ABI : Symbol(ABI, Decl(intersectionReduction.ts, 126, 1))
>x : Symbol(x, Decl(intersectionReduction.ts, 137, 32))
}