如 [string,sting,string,sting,string,sting,string,sting,string,sting,string,sting]
能简写吗?
ts 去年合并了一个 pr 有这个新东西: https://github.com/microsoft/...
type T1 = TupleOf<string, 3>; // [string, string, string]
如果你使用旧版本的话,使用简单的泛型处理下也可以
interface FixedLengthArray<T extends any, L extends number> extends Array<T> {
"0": T;
length: L;
}
const tuple: FixedLengthArray<string, 3> = ['a', 'b', 'c']
###