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| //// [tests/cases/compiler/arrayFilterBooleanOverload.ts] //// | ||
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| //// [arrayFilterBooleanOverload.ts] | ||
| const nullableValues = ['a', 'b', null]; // expect (string | null)[] | ||
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| const values1 = nullableValues.filter(Boolean); // expect string[] | ||
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| // @ts-expect-error | ||
| const values2 = nullableValues.filter(new Boolean); | ||
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| const arr = [0, 1, "", "foo", null] as const; | ||
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| const arr2 = arr.filter(Boolean); // expect ("foo" | 1)[] | ||
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| //// [arrayFilterBooleanOverload.js] | ||
| "use strict"; | ||
| const nullableValues = ['a', 'b', null]; // expect (string | null)[] | ||
| const values1 = nullableValues.filter(Boolean); // expect string[] | ||
| // @ts-expect-error | ||
| const values2 = nullableValues.filter(new Boolean); | ||
| const arr = [0, 1, "", "foo", null]; | ||
| const arr2 = arr.filter(Boolean); // expect ("foo" | 1)[] | ||
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| //// [arrayFilterBooleanOverload.d.ts] | ||
| declare const nullableValues: (string | null)[]; | ||
| declare const values1: (string | null)[]; | ||
| declare const values2: (string | null)[]; | ||
| declare const arr: readonly [0, 1, "", "foo", null]; | ||
| declare const arr2: ("" | 0 | 1 | "foo" | null)[]; |
33 changes: 33 additions & 0 deletions
33
tests/baselines/reference/arrayFilterBooleanOverload.symbols
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| //// [tests/cases/compiler/arrayFilterBooleanOverload.ts] //// | ||
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| === arrayFilterBooleanOverload.ts === | ||
| const nullableValues = ['a', 'b', null]; // expect (string | null)[] | ||
| >nullableValues : Symbol(nullableValues, Decl(arrayFilterBooleanOverload.ts, 0, 5)) | ||
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| const values1 = nullableValues.filter(Boolean); // expect string[] | ||
| >values1 : Symbol(values1, Decl(arrayFilterBooleanOverload.ts, 2, 5)) | ||
| >nullableValues.filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >nullableValues : Symbol(nullableValues, Decl(arrayFilterBooleanOverload.ts, 0, 5)) | ||
| >filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| // @ts-expect-error | ||
| const values2 = nullableValues.filter(new Boolean); | ||
| >values2 : Symbol(values2, Decl(arrayFilterBooleanOverload.ts, 5, 5)) | ||
| >nullableValues.filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >nullableValues : Symbol(nullableValues, Decl(arrayFilterBooleanOverload.ts, 0, 5)) | ||
| >filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| const arr = [0, 1, "", "foo", null] as const; | ||
| >arr : Symbol(arr, Decl(arrayFilterBooleanOverload.ts, 7, 5)) | ||
| >const : Symbol(const) | ||
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| const arr2 = arr.filter(Boolean); // expect ("foo" | 1)[] | ||
| >arr2 : Symbol(arr2, Decl(arrayFilterBooleanOverload.ts, 9, 5)) | ||
| >arr.filter : Symbol(ReadonlyArray.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >arr : Symbol(arr, Decl(arrayFilterBooleanOverload.ts, 7, 5)) | ||
| >filter : Symbol(ReadonlyArray.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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45 changes: 45 additions & 0 deletions
45
tests/baselines/reference/arrayFilterBooleanOverload.types
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| //// [tests/cases/compiler/arrayFilterBooleanOverload.ts] //// | ||
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| === arrayFilterBooleanOverload.ts === | ||
| const nullableValues = ['a', 'b', null]; // expect (string | null)[] | ||
| >nullableValues : (string | null)[] | ||
| >['a', 'b', null] : (string | null)[] | ||
| >'a' : "a" | ||
| >'b' : "b" | ||
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| const values1 = nullableValues.filter(Boolean); // expect string[] | ||
| >values1 : (string | null)[] | ||
| >nullableValues.filter(Boolean) : (string | null)[] | ||
| >nullableValues.filter : { <S extends string | null>(predicate: (value: string | null, index: number, array: (string | null)[]) => value is S, thisArg?: any): S[]; (predicate: (value: string | null, index: number, array: (string | null)[]) => unknown, thisArg?: any): (string | null)[]; } | ||
| >nullableValues : (string | null)[] | ||
| >filter : { <S extends string | null>(predicate: (value: string | null, index: number, array: (string | null)[]) => value is S, thisArg?: any): S[]; (predicate: (value: string | null, index: number, array: (string | null)[]) => unknown, thisArg?: any): (string | null)[]; } | ||
| >Boolean : BooleanConstructor | ||
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| // @ts-expect-error | ||
| const values2 = nullableValues.filter(new Boolean); | ||
| >values2 : (string | null)[] | ||
| >nullableValues.filter(new Boolean) : (string | null)[] | ||
| >nullableValues.filter : { <S extends string | null>(predicate: (value: string | null, index: number, array: (string | null)[]) => value is S, thisArg?: any): S[]; (predicate: (value: string | null, index: number, array: (string | null)[]) => unknown, thisArg?: any): (string | null)[]; } | ||
| >nullableValues : (string | null)[] | ||
| >filter : { <S extends string | null>(predicate: (value: string | null, index: number, array: (string | null)[]) => value is S, thisArg?: any): S[]; (predicate: (value: string | null, index: number, array: (string | null)[]) => unknown, thisArg?: any): (string | null)[]; } | ||
| >new Boolean : Boolean | ||
| >Boolean : BooleanConstructor | ||
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| const arr = [0, 1, "", "foo", null] as const; | ||
| >arr : readonly [0, 1, "", "foo", null] | ||
| >[0, 1, "", "foo", null] as const : readonly [0, 1, "", "foo", null] | ||
| >[0, 1, "", "foo", null] : readonly [0, 1, "", "foo", null] | ||
| >0 : 0 | ||
| >1 : 1 | ||
| >"" : "" | ||
| >"foo" : "foo" | ||
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| const arr2 = arr.filter(Boolean); // expect ("foo" | 1)[] | ||
| >arr2 : ("" | 0 | 1 | "foo" | null)[] | ||
| >arr.filter(Boolean) : ("" | 0 | 1 | "foo" | null)[] | ||
| >arr.filter : { <S extends "" | 0 | 1 | "foo" | null>(predicate: (value: "" | 0 | 1 | "foo" | null, index: number, array: readonly ("" | 0 | 1 | "foo" | null)[]) => value is S, thisArg?: any): S[]; (predicate: (value: "" | 0 | 1 | "foo" | null, index: number, array: readonly ("" | 0 | 1 | "foo" | null)[]) => unknown, thisArg?: any): ("" | 0 | 1 | "foo" | null)[]; } | ||
| >arr : readonly [0, 1, "", "foo", null] | ||
| >filter : { <S extends "" | 0 | 1 | "foo" | null>(predicate: (value: "" | 0 | 1 | "foo" | null, index: number, array: readonly ("" | 0 | 1 | "foo" | null)[]) => value is S, thisArg?: any): S[]; (predicate: (value: "" | 0 | 1 | "foo" | null, index: number, array: readonly ("" | 0 | 1 | "foo" | null)[]) => unknown, thisArg?: any): ("" | 0 | 1 | "foo" | null)[]; } | ||
| >Boolean : BooleanConstructor | ||
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38 changes: 38 additions & 0 deletions
38
tests/baselines/reference/unionOfArraysBooleanFilterCall.js
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| //// [tests/cases/compiler/unionOfArraysBooleanFilterCall.ts] //// | ||
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| //// [unionOfArraysBooleanFilterCall.ts] | ||
| interface Fizz { | ||
| id: number; | ||
| member: number; | ||
| } | ||
| interface Buzz { | ||
| id: number; | ||
| member: string; | ||
| } | ||
| type Falsey = "" | 0 | false | null | undefined; | ||
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| ([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter(Boolean); // expect type (Fizz|Buzz)[] | ||
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| ([] as (Fizz|Falsey)[] | readonly (Buzz|Falsey)[]).filter(Boolean); // expect type (Fizz|Buzz)[] | ||
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| ([] as [Fizz|Falsey] | readonly [(Buzz|Falsey)?]).filter(Boolean); // expect type (Fizz|Buzz)[] | ||
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| // confirm that the other filter signatures are still available and working | ||
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| declare function isFizz(x: unknown): x is Fizz; | ||
| ([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter(isFizz); // expect type Fizz[] | ||
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| declare function isBuzz(x: unknown): x is Buzz; | ||
| ([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter(isBuzz); // expect type Buzz[] | ||
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| ([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter(x => x && typeof x.member === "number"); // expect type (Fizz|Buzz|Falsey)[] | ||
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| //// [unionOfArraysBooleanFilterCall.js] | ||
| [].filter(Boolean); // expect type (Fizz|Buzz)[] | ||
| [].filter(Boolean); // expect type (Fizz|Buzz)[] | ||
| [].filter(Boolean); // expect type (Fizz|Buzz)[] | ||
| [].filter(isFizz); // expect type Fizz[] | ||
| [].filter(isBuzz); // expect type Buzz[] | ||
| [].filter(x => x && typeof x.member === "number"); // expect type (Fizz|Buzz|Falsey)[] |
97 changes: 97 additions & 0 deletions
97
tests/baselines/reference/unionOfArraysBooleanFilterCall.symbols
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| //// [tests/cases/compiler/unionOfArraysBooleanFilterCall.ts] //// | ||
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| === unionOfArraysBooleanFilterCall.ts === | ||
| interface Fizz { | ||
| >Fizz : Symbol(Fizz, Decl(unionOfArraysBooleanFilterCall.ts, 0, 0)) | ||
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| id: number; | ||
| >id : Symbol(Fizz.id, Decl(unionOfArraysBooleanFilterCall.ts, 0, 16)) | ||
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| member: number; | ||
| >member : Symbol(Fizz.member, Decl(unionOfArraysBooleanFilterCall.ts, 1, 15)) | ||
| } | ||
| interface Buzz { | ||
| >Buzz : Symbol(Buzz, Decl(unionOfArraysBooleanFilterCall.ts, 3, 1)) | ||
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| id: number; | ||
| >id : Symbol(Buzz.id, Decl(unionOfArraysBooleanFilterCall.ts, 4, 16)) | ||
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| member: string; | ||
| >member : Symbol(Buzz.member, Decl(unionOfArraysBooleanFilterCall.ts, 5, 15)) | ||
| } | ||
| type Falsey = "" | 0 | false | null | undefined; | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
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| ([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter(Boolean); // expect type (Fizz|Buzz)[] | ||
| >([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Fizz : Symbol(Fizz, Decl(unionOfArraysBooleanFilterCall.ts, 0, 0)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >Buzz : Symbol(Buzz, Decl(unionOfArraysBooleanFilterCall.ts, 3, 1)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| ([] as (Fizz|Falsey)[] | readonly (Buzz|Falsey)[]).filter(Boolean); // expect type (Fizz|Buzz)[] | ||
| >([] as (Fizz|Falsey)[] | readonly (Buzz|Falsey)[]).filter : Symbol(filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Fizz : Symbol(Fizz, Decl(unionOfArraysBooleanFilterCall.ts, 0, 0)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >Buzz : Symbol(Buzz, Decl(unionOfArraysBooleanFilterCall.ts, 3, 1)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >filter : Symbol(filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| ([] as [Fizz|Falsey] | readonly [(Buzz|Falsey)?]).filter(Boolean); // expect type (Fizz|Buzz)[] | ||
| >([] as [Fizz|Falsey] | readonly [(Buzz|Falsey)?]).filter : Symbol(filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Fizz : Symbol(Fizz, Decl(unionOfArraysBooleanFilterCall.ts, 0, 0)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >Buzz : Symbol(Buzz, Decl(unionOfArraysBooleanFilterCall.ts, 3, 1)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >filter : Symbol(filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| // confirm that the other filter signatures are still available and working | ||
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| declare function isFizz(x: unknown): x is Fizz; | ||
| >isFizz : Symbol(isFizz, Decl(unionOfArraysBooleanFilterCall.ts, 15, 66)) | ||
| >x : Symbol(x, Decl(unionOfArraysBooleanFilterCall.ts, 19, 24)) | ||
| >x : Symbol(x, Decl(unionOfArraysBooleanFilterCall.ts, 19, 24)) | ||
| >Fizz : Symbol(Fizz, Decl(unionOfArraysBooleanFilterCall.ts, 0, 0)) | ||
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| ([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter(isFizz); // expect type Fizz[] | ||
| >([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Fizz : Symbol(Fizz, Decl(unionOfArraysBooleanFilterCall.ts, 0, 0)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >Buzz : Symbol(Buzz, Decl(unionOfArraysBooleanFilterCall.ts, 3, 1)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >isFizz : Symbol(isFizz, Decl(unionOfArraysBooleanFilterCall.ts, 15, 66)) | ||
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| declare function isBuzz(x: unknown): x is Buzz; | ||
| >isBuzz : Symbol(isBuzz, Decl(unionOfArraysBooleanFilterCall.ts, 20, 57)) | ||
| >x : Symbol(x, Decl(unionOfArraysBooleanFilterCall.ts, 22, 24)) | ||
| >x : Symbol(x, Decl(unionOfArraysBooleanFilterCall.ts, 22, 24)) | ||
| >Buzz : Symbol(Buzz, Decl(unionOfArraysBooleanFilterCall.ts, 3, 1)) | ||
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| ([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter(isBuzz); // expect type Buzz[] | ||
| >([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Fizz : Symbol(Fizz, Decl(unionOfArraysBooleanFilterCall.ts, 0, 0)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >Buzz : Symbol(Buzz, Decl(unionOfArraysBooleanFilterCall.ts, 3, 1)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >isBuzz : Symbol(isBuzz, Decl(unionOfArraysBooleanFilterCall.ts, 20, 57)) | ||
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| ([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter(x => x && typeof x.member === "number"); // expect type (Fizz|Buzz|Falsey)[] | ||
| >([] as (Fizz|Falsey)[] | (Buzz|Falsey)[]).filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Fizz : Symbol(Fizz, Decl(unionOfArraysBooleanFilterCall.ts, 0, 0)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >Buzz : Symbol(Buzz, Decl(unionOfArraysBooleanFilterCall.ts, 3, 1)) | ||
| >Falsey : Symbol(Falsey, Decl(unionOfArraysBooleanFilterCall.ts, 7, 1)) | ||
| >filter : Symbol(Array.filter, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >x : Symbol(x, Decl(unionOfArraysBooleanFilterCall.ts, 25, 49)) | ||
| >x : Symbol(x, Decl(unionOfArraysBooleanFilterCall.ts, 25, 49)) | ||
| >x.member : Symbol(member, Decl(unionOfArraysBooleanFilterCall.ts, 1, 15), Decl(unionOfArraysBooleanFilterCall.ts, 5, 15)) | ||
| >x : Symbol(x, Decl(unionOfArraysBooleanFilterCall.ts, 25, 49)) | ||
| >member : Symbol(member, Decl(unionOfArraysBooleanFilterCall.ts, 1, 15), Decl(unionOfArraysBooleanFilterCall.ts, 5, 15)) | ||
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