(() =>{
function getMsg<K,V>(value1:K,value2:V) :[K,V]{
return [value1,value2]
}
const arr1 = getMsg<string,number>(‘jack‘,100)
console.log(arr1);
console.log(arr1[0].split(‘‘));
})()
原文：https://www.cnblogs.com/malong1992/p/14627030.html