161 lines
3.5 KiB
Plaintext
161 lines
3.5 KiB
Plaintext
=== tests/cases/conformance/types/tuple/castingTuple.ts ===
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interface I { }
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class A { a = 10; }
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>A : A
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>a : number
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>10 : 10
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class C implements I { c };
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>C : C
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>c : any
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class D implements I { d };
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>D : D
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>d : any
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class E extends A { e };
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>E : E
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>A : A
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>e : any
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class F extends A { f };
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>F : F
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>A : A
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>f : any
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enum E1 { one }
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>E1 : E1
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>one : E1.one
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enum E2 { one }
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>E2 : E2
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>one : E2.one
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// no error
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var numStrTuple: [number, string] = [5, "foo"];
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>numStrTuple : [number, string]
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>[5, "foo"] : [number, string]
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>5 : 5
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>"foo" : "foo"
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var emptyObjTuple = <[{}, {}]>numStrTuple;
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>emptyObjTuple : [{}, {}]
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><[{}, {}]>numStrTuple : [{}, {}]
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>numStrTuple : [number, string]
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var numStrBoolTuple = <[number, string, boolean]>numStrTuple;
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>numStrBoolTuple : [number, string, boolean]
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><[number, string, boolean]>numStrTuple : [number, string, boolean]
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>numStrTuple : [number, string]
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var shorter = numStrBoolTuple as [number, string]
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>shorter : [number, string]
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>numStrBoolTuple as [number, string] : [number, string]
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>numStrBoolTuple : [number, string, boolean]
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var longer = numStrTuple as [number, string, boolean]
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>longer : [number, string, boolean]
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>numStrTuple as [number, string, boolean] : [number, string, boolean]
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>numStrTuple : [number, string]
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var classCDTuple: [C, D] = [new C(), new D()];
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>classCDTuple : [C, D]
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>[new C(), new D()] : [C, D]
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>new C() : C
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>C : typeof C
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>new D() : D
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>D : typeof D
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var interfaceIITuple = <[I, I]>classCDTuple;
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>interfaceIITuple : [I, I]
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><[I, I]>classCDTuple : [I, I]
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>classCDTuple : [C, D]
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var classCDATuple = <[C, D, A]>classCDTuple;
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>classCDATuple : [C, D, A]
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><[C, D, A]>classCDTuple : [C, D, A]
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>classCDTuple : [C, D]
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var eleFromCDA1 = classCDATuple[2]; // A
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>eleFromCDA1 : A
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>classCDATuple[2] : A
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>classCDATuple : [C, D, A]
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>2 : 2
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var eleFromCDA2 = classCDATuple[5]; // C | D | A
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>eleFromCDA2 : undefined
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>classCDATuple[5] : undefined
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>classCDATuple : [C, D, A]
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>5 : 5
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var t10: [E1, E2] = [E1.one, E2.one];
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>t10 : [E1, E2]
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>[E1.one, E2.one] : [E1.one, E2.one]
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>E1.one : E1
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>E1 : typeof E1
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>one : E1
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>E2.one : E2
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>E2 : typeof E2
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>one : E2
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var t11 = <[number, number]>t10;
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>t11 : [number, number]
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><[number, number]>t10 : [number, number]
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>t10 : [E1, E2]
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var array1 = <{}[]>emptyObjTuple;
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>array1 : {}[]
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><{}[]>emptyObjTuple : {}[]
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>emptyObjTuple : [{}, {}]
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var unionTuple: [C, string | number] = [new C(), "foo"];
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>unionTuple : [C, string | number]
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>[new C(), "foo"] : [C, string]
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>new C() : C
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>C : typeof C
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>"foo" : "foo"
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var unionTuple2: [C, string | number, D] = [new C(), "foo", new D()];
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>unionTuple2 : [C, string | number, D]
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>[new C(), "foo", new D()] : [C, string, D]
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>new C() : C
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>C : typeof C
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>"foo" : "foo"
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>new D() : D
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>D : typeof D
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var unionTuple3: [number, string| number] = [10, "foo"];
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>unionTuple3 : [number, string | number]
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>[10, "foo"] : [number, string]
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>10 : 10
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>"foo" : "foo"
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var unionTuple4 = <[number, number]>unionTuple3;
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>unionTuple4 : [number, number]
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><[number, number]>unionTuple3 : [number, number]
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>unionTuple3 : [number, string | number]
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// error
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var t3 = <[number, number]>numStrTuple;
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>t3 : [number, number]
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><[number, number]>numStrTuple : [number, number]
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>numStrTuple : [number, string]
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var t9 = <[A, I]>classCDTuple;
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>t9 : [A, I]
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><[A, I]>classCDTuple : [A, I]
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>classCDTuple : [C, D]
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var array1 = <number[]>numStrTuple;
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>array1 : {}[]
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><number[]>numStrTuple : number[]
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>numStrTuple : [number, string]
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t4[2] = 10;
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>t4[2] = 10 : 10
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>t4[2] : any
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>t4 : any
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>2 : 2
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>10 : 10
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