56 lines
2.1 KiB
Plaintext
56 lines
2.1 KiB
Plaintext
=== tests/cases/conformance/types/typeRelationships/widenedTypes/arrayLiteralWidened.ts ===
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// array literals are widened upon assignment according to their element type
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var a = []; // any[]
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>a : any[], Symbol(a, Decl(arrayLiteralWidened.ts, 2, 3), Decl(arrayLiteralWidened.ts, 4, 3), Decl(arrayLiteralWidened.ts, 5, 3))
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>[] : undefined[]
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var a = [null, null];
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>a : any[], Symbol(a, Decl(arrayLiteralWidened.ts, 2, 3), Decl(arrayLiteralWidened.ts, 4, 3), Decl(arrayLiteralWidened.ts, 5, 3))
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>[null, null] : null[]
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>null : null
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>null : null
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var a = [undefined, undefined];
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>a : any[], Symbol(a, Decl(arrayLiteralWidened.ts, 2, 3), Decl(arrayLiteralWidened.ts, 4, 3), Decl(arrayLiteralWidened.ts, 5, 3))
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>[undefined, undefined] : undefined[]
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>undefined : undefined, Symbol(undefined)
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>undefined : undefined, Symbol(undefined)
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var b = [[], [null, null]]; // any[][]
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>b : any[][], Symbol(b, Decl(arrayLiteralWidened.ts, 7, 3), Decl(arrayLiteralWidened.ts, 8, 3), Decl(arrayLiteralWidened.ts, 9, 3))
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>[[], [null, null]] : null[][]
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>[] : undefined[]
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>[null, null] : null[]
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>null : null
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>null : null
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var b = [[], []];
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>b : any[][], Symbol(b, Decl(arrayLiteralWidened.ts, 7, 3), Decl(arrayLiteralWidened.ts, 8, 3), Decl(arrayLiteralWidened.ts, 9, 3))
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>[[], []] : undefined[][]
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>[] : undefined[]
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>[] : undefined[]
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var b = [[undefined, undefined]];
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>b : any[][], Symbol(b, Decl(arrayLiteralWidened.ts, 7, 3), Decl(arrayLiteralWidened.ts, 8, 3), Decl(arrayLiteralWidened.ts, 9, 3))
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>[[undefined, undefined]] : undefined[][]
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>[undefined, undefined] : undefined[]
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>undefined : undefined, Symbol(undefined)
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>undefined : undefined, Symbol(undefined)
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var c = [[[]]]; // any[][][]
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>c : any[][][], Symbol(c, Decl(arrayLiteralWidened.ts, 11, 3), Decl(arrayLiteralWidened.ts, 12, 3))
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>[[[]]] : undefined[][][]
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>[[]] : undefined[][]
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>[] : undefined[]
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var c = [[[null]],[undefined]]
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>c : any[][][], Symbol(c, Decl(arrayLiteralWidened.ts, 11, 3), Decl(arrayLiteralWidened.ts, 12, 3))
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>[[[null]],[undefined]] : null[][][]
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>[[null]] : null[][]
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>[null] : null[]
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>null : null
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>[undefined] : undefined[]
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>undefined : undefined, Symbol(undefined)
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