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27 lines
376 B
TypeScript
27 lines
376 B
TypeScript
// @Filename: a.js
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// @noEmit: true
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// @allowJs: true
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// @checkJs: true
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// @strict: true
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/** @param {number=} a */
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function f(a) {
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a = 1
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a = null // should not be allowed
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a = undefined
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}
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f()
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f(null) // should not be allowed
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f(undefined)
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f(1)
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/** @param {???!?number?=} a */
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function g(a) {
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a = 1
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a = null
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a = undefined
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}
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g()
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g(null)
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g(undefined)
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g(1)
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