代碼
提交代碼
// 類名后加上 <T>
class MinClass<T> {
public list: T[] = []
add(num: T) {
this.list.push(num)
}
min(): T {
let minNum = this.list[0]
for (let i = 0; i < this.list.length; i++) {
if (minNum > this.list[i]) {
minNum = this.list[i]
}
}
return minNum
}
}
let m = new MinClass<string>()
m.add('hello')
m.add('world')
m.add('generic')
console.log(m.min()) // generic
運行結果