15 lines
246 B
TypeScript
15 lines
246 B
TypeScript
// @strict: true
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interface Dictionary<T> {
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[myFavouriteType: string]: T | undefined
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}
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const x = 'bar'
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let foo: Dictionary<number> = {}
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if (foo[x] === undefined) {
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foo[x] = 1
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}
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else {
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let nu = foo[x]
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let n = foo[x]
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foo[x]!++
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}
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