Highest-and-Lowest

Description

Solutions

Julia

using Pipe
using Test


"""
返回一组数的最大值和最小值

# Arguments
- `numbers::String`: 包含一组数字的字符串，用空格隔开
"""

#> "返回一组数的最大值和最小值\n\n# Arguments\n- `numbers::String`: 包含一组数字的字符串，用空格隔开\n"

function highandlow(numbers::String)::String
    @pipe numbers |> split .|> # split 默认分隔符为空格
          parse(Int, _) |> # 化为整数
          extrema |> # 返回 tuple，小数在前，大数在后
          reverse |>
          join(_, " ")
end

#> highandlow (generic function with 1 method)

@testset "Example tests" begin
    @test highandlow("8 3 -5 42 -1 0 0 -9 4 7 4 -4") == "42 -9"
    @test highandlow("1 2 3") == "3 1"
end

#> Test Summary: | Pass  Total
#> Example tests |    2      2

#> Test.DefaultTestSet("Example tests", Any[], 2, false, false)