Created
December 24, 2021 19:41
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| type T = {x: string, y: string} | {a:string, b: string} | |
| function fn(a: T) { | |
| if('x' in a) { | |
| return a.y | |
| } else { | |
| return a.b | |
| } | |
| } | |
| console.log(fn({x: 'xx', a: 'aa', b: 'bb'})) |
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