42 lines
529 B
TypeScript
42 lines
529 B
TypeScript
// @strict: true, false
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interface Foo {
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a: number
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b: number | undefined
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c: number | null
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d?: number
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e: number | undefined | null
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f?: number | undefined | null
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g: unknown
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h: any
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i: never
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}
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interface AA {
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[s: string]: number
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}
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type BB = {
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[P in keyof any]: number
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}
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declare const f: Foo
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declare const a: AA
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declare const b: BB
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delete f.a
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delete f.b
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delete f.c
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delete f.d
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delete f.e
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delete f.f
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delete f.g
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delete f.h
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delete f.i
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delete f.j
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delete a.a
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delete a.b
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delete b.a
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delete b.b |