📅  最后修改于: 2022-03-11 15:01:00.059000             🧑  作者: Mango
let number = 0.1
// Use ceil to remove the fractional part and round up.
let result = ceil(number)
let number1 = 1.1
// Use floor to remove the fractional part and round down.
let floor1 = floor(number1)