f07404938f
* Replace subtype check in derivedness check with flags and structure checks * Remove now extraneous clause
32 lines
456 B
TypeScript
32 lines
456 B
TypeScript
declare global {
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interface Function {
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now(): string;
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}
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}
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Function.prototype.now = function () {
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return "now"
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}
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class X {
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static now() {
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return {}
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}
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why() {
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}
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}
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class Y {
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}
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console.log(X.now()) // works as expected
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console.log(Y.now()) // works as expected
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export const x: X | number = Math.random() > 0.5 ? new X() : 1
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if (x instanceof X) {
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x.why() // should compile
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} |