WIP

dojo-kata-0.go

package main

import(
    "fmt"
    "math"
)

func Count(number int, count int) (int) {
    return int( math.Floor( float64(number/count) ) )
}

func ToRomans(base int) string {
    var number int = base
    var output string = ""

    var units =  map[string]int{
        "M": 1000,
        "D": 500,
        "C": 100,
        "L": 50,
        "X": 10,
        "V": 5,
        "I": 1,
    }

    for char, n := range units {
        count := Count(number, n)
        if count > 0 && number >= n {
            for i:=0; i < count; i++ {
                output = output + char
            }
            number = number - n * Count(number, n)
        }
    }


    return output
}

func main() {
    fmt.Println( ToRomans(1000) == "M"         , 1000 , ToRomans(1000) )
    fmt.Println( ToRomans(9000) == "MMMMMMMMM" , 9000 , ToRomans(9000) )
    fmt.Println( ToRomans(10)   == "X"         , 10   , ToRomans(10)   )
    fmt.Println( ToRomans(400)  == "CD"        , 400  , ToRomans(400)  )
    fmt.Println( ToRomans(800)  == "DCCC"      , 800  , ToRomans(800)  )
    fmt.Println( ToRomans(1999) == "MCMXCIX"   , 1999 , ToRomans(1999) )
    fmt.Println( ToRomans(448)  == "CDXLVIII"  , 448  , ToRomans(448)  )
}