13.4.2 - of

将参数列表作为数据流返回

of("a", "b", [], {}, true, 20).subscribe(v => console.log(v))

import { from } from "rxjs"
function p() {
    return new Promise(function (resolve) {
        resolve([100, 200])
    })
}
from(p()).subscribe(v => console.log(v))
// [100, 200]