s0rg/fantasyname

package stringers

import (
    "fmt"
)

// Random holds bunch of stringers, and choose among them on every call.
type Random struct {
    rndfn func(int) int
    items []fmt.Stringer
}

// MakeRandom create new Random stringer from list of stringers and random func.
func MakeRandom(items []fmt.Stringer, rndfn func(int) int) fmt.Stringer {
    return &Random{items: items, rndfn: rndfn}
}

// String implements stringer for Random.
func (r *Random) String() string {
    return r.items[r.rndfn(len(r.items))].String()
}