548 lines
12 KiB
Text
548 lines
12 KiB
Text
=== tests/cases/conformance/types/typeRelationships/bestCommonType/heterogeneousArrayLiterals.ts ===
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// type of an array is the best common type of its elements (plus its contextual type if it exists)
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var a = [1, '']; // {}[]
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>a : (string | number)[]
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>[1, ''] : (string | number)[]
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var b = [1, null]; // number[]
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>b : number[]
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>[1, null] : number[]
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var c = [1, '', null]; // {}[]
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>c : (string | number)[]
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>[1, '', null] : (string | number)[]
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var d = [{}, 1]; // {}[]
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>d : {}[]
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>[{}, 1] : {}[]
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>{} : {}
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var e = [{}, Object]; // {}[]
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>e : {}[]
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>[{}, Object] : {}[]
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>{} : {}
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>Object : ObjectConstructor
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var f = [[], [1]]; // number[][]
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>f : number[][]
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>[[], [1]] : number[][]
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>[] : undefined[]
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>[1] : number[]
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var g = [[1], ['']]; // {}[]
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>g : (string[] | number[])[]
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>[[1], ['']] : (string[] | number[])[]
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>[1] : number[]
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>[''] : string[]
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var h = [{ foo: 1, bar: '' }, { foo: 2 }]; // {foo: number}[]
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>h : { foo: number; }[]
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>[{ foo: 1, bar: '' }, { foo: 2 }] : { foo: number; }[]
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>{ foo: 1, bar: '' } : { foo: number; bar: string; }
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>foo : number
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>bar : string
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>{ foo: 2 } : { foo: number; }
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>foo : number
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var i = [{ foo: 1, bar: '' }, { foo: '' }]; // {}[]
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>i : ({ foo: number; bar: string; } | { foo: string; })[]
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>[{ foo: 1, bar: '' }, { foo: '' }] : ({ foo: number; bar: string; } | { foo: string; })[]
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>{ foo: 1, bar: '' } : { foo: number; bar: string; }
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>foo : number
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>bar : string
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>{ foo: '' } : { foo: string; }
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>foo : string
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var j = [() => 1, () => '']; // {}[]
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>j : ((() => number) | (() => string))[]
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>[() => 1, () => ''] : ((() => number) | (() => string))[]
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>() => 1 : () => number
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>() => '' : () => string
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var k = [() => 1, () => 1]; // { (): number }[]
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>k : (() => number)[]
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>[() => 1, () => 1] : (() => number)[]
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>() => 1 : () => number
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>() => 1 : () => number
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var l = [() => 1, () => null]; // { (): any }[]
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>l : (() => any)[]
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>[() => 1, () => null] : (() => any)[]
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>() => 1 : () => number
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>() => null : () => any
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var m = [() => 1, () => '', () => null]; // { (): any }[]
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>m : (() => any)[]
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>[() => 1, () => '', () => null] : (() => any)[]
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>() => 1 : () => number
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>() => '' : () => string
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>() => null : () => any
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var n = [[() => 1], [() => '']]; // {}[]
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>n : ((() => number)[] | (() => string)[])[]
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>[[() => 1], [() => '']] : ((() => number)[] | (() => string)[])[]
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>[() => 1] : (() => number)[]
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>() => 1 : () => number
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>[() => ''] : (() => string)[]
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>() => '' : () => string
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class Base { foo: string; }
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>Base : Base
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>foo : string
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class Derived extends Base { bar: string; }
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>Derived : Derived
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>Base : Base
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>bar : string
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class Derived2 extends Base { baz: string; }
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>Derived2 : Derived2
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>Base : Base
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>baz : string
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var base: Base;
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>base : Base
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>Base : Base
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var derived: Derived;
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>derived : Derived
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>Derived : Derived
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var derived2: Derived2;
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>derived2 : Derived2
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>Derived2 : Derived2
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module Derived {
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>Derived : typeof Derived
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var h = [{ foo: base, basear: derived }, { foo: base }]; // {foo: Base}[]
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>h : { foo: Base; }[]
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>[{ foo: base, basear: derived }, { foo: base }] : { foo: Base; }[]
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>{ foo: base, basear: derived } : { foo: Base; basear: Derived; }
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>foo : Base
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>base : Base
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>basear : Derived
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>derived : Derived
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>{ foo: base } : { foo: Base; }
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>foo : Base
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>base : Base
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var i = [{ foo: base, basear: derived }, { foo: derived }]; // {foo: Derived}[]
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>i : ({ foo: Base; basear: Derived; } | { foo: Derived; })[]
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>[{ foo: base, basear: derived }, { foo: derived }] : ({ foo: Base; basear: Derived; } | { foo: Derived; })[]
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>{ foo: base, basear: derived } : { foo: Base; basear: Derived; }
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>foo : Base
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>base : Base
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>basear : Derived
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>derived : Derived
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>{ foo: derived } : { foo: Derived; }
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>foo : Derived
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>derived : Derived
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var j = [() => base, () => derived]; // { {}: Base }
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>j : (() => Base)[]
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>[() => base, () => derived] : (() => Base)[]
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>() => base : () => Base
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>base : Base
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>() => derived : () => Derived
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>derived : Derived
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var k = [() => base, () => 1]; // {}[]~
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>k : ((() => Base) | (() => number))[]
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>[() => base, () => 1] : ((() => Base) | (() => number))[]
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>() => base : () => Base
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>base : Base
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>() => 1 : () => number
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var l = [() => base, () => null]; // { (): any }[]
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>l : (() => any)[]
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>[() => base, () => null] : (() => any)[]
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>() => base : () => Base
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>base : Base
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>() => null : () => any
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var m = [() => base, () => derived, () => null]; // { (): any }[]
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>m : (() => any)[]
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>[() => base, () => derived, () => null] : (() => any)[]
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>() => base : () => Base
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>base : Base
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>() => derived : () => Derived
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>derived : Derived
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>() => null : () => any
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var n = [[() => base], [() => derived]]; // { (): Base }[]
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>n : (() => Base)[][]
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>[[() => base], [() => derived]] : (() => Base)[][]
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>[() => base] : (() => Base)[]
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>() => base : () => Base
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>base : Base
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>[() => derived] : (() => Derived)[]
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>() => derived : () => Derived
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>derived : Derived
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var o = [derived, derived2]; // {}[]
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>o : (Derived | Derived2)[]
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>[derived, derived2] : (Derived | Derived2)[]
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>derived : Derived
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>derived2 : Derived2
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var p = [derived, derived2, base]; // Base[]
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>p : Base[]
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>[derived, derived2, base] : Base[]
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>derived : Derived
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>derived2 : Derived2
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>base : Base
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var q = [[() => derived2], [() => derived]]; // {}[]
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>q : ((() => Derived2)[] | (() => Derived)[])[]
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>[[() => derived2], [() => derived]] : ((() => Derived2)[] | (() => Derived)[])[]
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>[() => derived2] : (() => Derived2)[]
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>() => derived2 : () => Derived2
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>derived2 : Derived2
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>[() => derived] : (() => Derived)[]
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>() => derived : () => Derived
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>derived : Derived
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}
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module WithContextualType {
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>WithContextualType : typeof WithContextualType
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// no errors
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var a: Base[] = [derived, derived2];
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>a : Base[]
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>Base : Base
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>[derived, derived2] : (Derived | Derived2)[]
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>derived : Derived
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>derived2 : Derived2
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var b: Derived[] = [null];
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>b : Derived[]
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>Derived : Derived
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>[null] : null[]
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var c: Derived[] = [];
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>c : Derived[]
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>Derived : Derived
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>[] : undefined[]
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var d: { (): Base }[] = [() => derived, () => derived2];
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>d : (() => Base)[]
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>Base : Base
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>[() => derived, () => derived2] : ((() => Derived) | (() => Derived2))[]
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>() => derived : () => Derived
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>derived : Derived
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>() => derived2 : () => Derived2
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>derived2 : Derived2
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}
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function foo<T, U>(t: T, u: U) {
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>foo : <T, U>(t: T, u: U) => void
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>T : T
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>U : U
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>t : T
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>T : T
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>u : U
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>U : U
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var a = [t, t]; // T[]
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>a : T[]
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>[t, t] : T[]
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>t : T
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>t : T
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var b = [t, null]; // T[]
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>b : T[]
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>[t, null] : T[]
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>t : T
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var c = [t, u]; // {}[]
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>c : (T | U)[]
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>[t, u] : (T | U)[]
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>t : T
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>u : U
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var d = [t, 1]; // {}[]
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>d : (number | T)[]
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>[t, 1] : (number | T)[]
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>t : T
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var e = [() => t, () => u]; // {}[]
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>e : ((() => T) | (() => U))[]
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>[() => t, () => u] : ((() => T) | (() => U))[]
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>() => t : () => T
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>t : T
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>() => u : () => U
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>u : U
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var f = [() => t, () => u, () => null]; // { (): any }[]
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>f : (() => any)[]
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>[() => t, () => u, () => null] : (() => any)[]
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>() => t : () => T
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>t : T
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>() => u : () => U
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>u : U
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>() => null : () => any
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}
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function foo2<T extends Base, U extends Derived>(t: T, u: U) {
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>foo2 : <T extends Base, U extends Derived>(t: T, u: U) => void
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>T : T
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>Base : Base
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>U : U
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>Derived : Derived
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>t : T
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>T : T
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>u : U
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>U : U
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var a = [t, t]; // T[]
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>a : T[]
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>[t, t] : T[]
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>t : T
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>t : T
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var b = [t, null]; // T[]
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>b : T[]
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>[t, null] : T[]
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>t : T
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var c = [t, u]; // {}[]
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>c : (T | U)[]
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>[t, u] : (T | U)[]
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>t : T
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>u : U
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var d = [t, 1]; // {}[]
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>d : (number | T)[]
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>[t, 1] : (number | T)[]
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>t : T
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var e = [() => t, () => u]; // {}[]
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>e : ((() => T) | (() => U))[]
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>[() => t, () => u] : ((() => T) | (() => U))[]
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>() => t : () => T
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>t : T
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>() => u : () => U
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>u : U
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var f = [() => t, () => u, () => null]; // { (): any }[]
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>f : (() => any)[]
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>[() => t, () => u, () => null] : (() => any)[]
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>() => t : () => T
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>t : T
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>() => u : () => U
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>u : U
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>() => null : () => any
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var g = [t, base]; // Base[]
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>g : Base[]
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>[t, base] : Base[]
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>t : T
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>base : Base
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var h = [t, derived]; // Derived[]
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>h : (Derived | T)[]
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>[t, derived] : (Derived | T)[]
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>t : T
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>derived : Derived
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var i = [u, base]; // Base[]
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>i : Base[]
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>[u, base] : Base[]
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>u : U
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>base : Base
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var j = [u, derived]; // Derived[]
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>j : Derived[]
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>[u, derived] : Derived[]
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>u : U
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>derived : Derived
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}
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function foo3<T extends Derived, U extends Derived>(t: T, u: U) {
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>foo3 : <T extends Derived, U extends Derived>(t: T, u: U) => void
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>T : T
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>Derived : Derived
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>U : U
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>Derived : Derived
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>t : T
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>T : T
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>u : U
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>U : U
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var a = [t, t]; // T[]
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>a : T[]
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>[t, t] : T[]
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>t : T
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>t : T
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var b = [t, null]; // T[]
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>b : T[]
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>[t, null] : T[]
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>t : T
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var c = [t, u]; // {}[]
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>c : (T | U)[]
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>[t, u] : (T | U)[]
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>t : T
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>u : U
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var d = [t, 1]; // {}[]
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>d : (number | T)[]
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>[t, 1] : (number | T)[]
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>t : T
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var e = [() => t, () => u]; // {}[]
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>e : ((() => T) | (() => U))[]
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>[() => t, () => u] : ((() => T) | (() => U))[]
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>() => t : () => T
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>t : T
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>() => u : () => U
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>u : U
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var f = [() => t, () => u, () => null]; // { (): any }[]
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>f : (() => any)[]
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>[() => t, () => u, () => null] : (() => any)[]
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>() => t : () => T
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>t : T
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>() => u : () => U
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>u : U
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>() => null : () => any
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var g = [t, base]; // Base[]
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>g : Base[]
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>[t, base] : Base[]
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>t : T
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>base : Base
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var h = [t, derived]; // Derived[]
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>h : Derived[]
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>[t, derived] : Derived[]
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>t : T
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>derived : Derived
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var i = [u, base]; // Base[]
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>i : Base[]
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>[u, base] : Base[]
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>u : U
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>base : Base
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var j = [u, derived]; // Derived[]
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>j : Derived[]
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>[u, derived] : Derived[]
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>u : U
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>derived : Derived
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}
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function foo4<T extends Base, U extends Base>(t: T, u: U) {
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>foo4 : <T extends Base, U extends Base>(t: T, u: U) => void
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>T : T
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>Base : Base
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>U : U
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>Base : Base
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>t : T
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>T : T
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>u : U
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>U : U
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var a = [t, t]; // T[]
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>a : T[]
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>[t, t] : T[]
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>t : T
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>t : T
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var b = [t, null]; // T[]
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>b : T[]
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>[t, null] : T[]
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>t : T
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var c = [t, u]; // BUG 821629
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>c : (T | U)[]
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>[t, u] : (T | U)[]
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>t : T
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>u : U
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var d = [t, 1]; // {}[]
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>d : (number | T)[]
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>[t, 1] : (number | T)[]
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>t : T
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var e = [() => t, () => u]; // {}[]
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>e : ((() => T) | (() => U))[]
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>[() => t, () => u] : ((() => T) | (() => U))[]
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>() => t : () => T
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>t : T
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>() => u : () => U
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>u : U
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var f = [() => t, () => u, () => null]; // { (): any }[]
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>f : (() => any)[]
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>[() => t, () => u, () => null] : (() => any)[]
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>() => t : () => T
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>t : T
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>() => u : () => U
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>u : U
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>() => null : () => any
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var g = [t, base]; // Base[]
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>g : Base[]
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>[t, base] : Base[]
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>t : T
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>base : Base
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var h = [t, derived]; // Derived[]
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>h : (Derived | T)[]
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>[t, derived] : (Derived | T)[]
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>t : T
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>derived : Derived
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var i = [u, base]; // Base[]
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>i : Base[]
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>[u, base] : Base[]
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>u : U
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>base : Base
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var j = [u, derived]; // Derived[]
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>j : (Derived | U)[]
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>[u, derived] : (Derived | U)[]
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>u : U
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>derived : Derived
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var k: Base[] = [t, u];
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>k : Base[]
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>Base : Base
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>[t, u] : (T | U)[]
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>t : T
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>u : U
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}
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//function foo3<T extends U, U extends Derived>(t: T, u: U) {
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// var a = [t, t]; // T[]
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// var b = [t, null]; // T[]
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// var c = [t, u]; // {}[]
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// var d = [t, 1]; // {}[]
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// var e = [() => t, () => u]; // {}[]
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// var f = [() => t, () => u, () => null]; // { (): any }[]
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// var g = [t, base]; // Base[]
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// var h = [t, derived]; // Derived[]
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// var i = [u, base]; // Base[]
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// var j = [u, derived]; // Derived[]
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//}
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//function foo4<T extends U, U extends Base>(t: T, u: U) {
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// var a = [t, t]; // T[]
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// var b = [t, null]; // T[]
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// var c = [t, u]; // BUG 821629
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// var d = [t, 1]; // {}[]
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// var e = [() => t, () => u]; // {}[]
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// var f = [() => t, () => u, () => null]; // { (): any }[]
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// var g = [t, base]; // Base[]
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// var h = [t, derived]; // Derived[]
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// var i = [u, base]; // Base[]
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// var j = [u, derived]; // Derived[]
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// var k: Base[] = [t, u];
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//}
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