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试图实现与声音类别功能的勇气,但我做错了什么:型“重点”不能用于索引类型“对象”
function pluck<Object extends {}, Key = keyof Object>(key: Key): (o: Object) => Object[Key] {
return object => object[key];
}
TS错误:
Type 'Key' cannot be used to index type 'Object'