levenshtein.go

package leven

import "github.com/arbovm/levenshtein"

func calcScore(a, b string) float64 {
        score := levenshtein.Distance(a, b)
        lena := len(a)
        lenb := len(b)
        var bigger float64
        if lena > lenb {
                bigger = float64(lena)
        } else {
                bigger = float64(lenb)
        }
        return (bigger - float64(score)) / bigger
}