Sha256: 844a930439c6e1a146303cae68b8c4ffc1e0fdcacb5779f3e136d91136563267
Contents?: true
Size: 693 Bytes
Versions: 365
Compression:
Stored size: 693 Bytes
Contents
// +build bonus
package robotname
import (
"fmt"
"math/rand"
)
type Robot struct {
name string
}
var issued = map[string]bool{}
func (r *Robot) Name() string {
if r.name > "" {
return r.name
}
a1 := rand.Intn(26)
a2 := rand.Intn(26)
n := rand.Intn(1000)
start := fmt.Sprintf("%c%c%03d", 'A'+byte(a1), 'A'+byte(a2), n)
r.name = start
for issued[r.name] {
if n = (n + 1) % 1000; n == 0 {
if a2 = (a2 + 1) % 26; a2 > 0 {
a1 = (a1 + 1) % 26
}
}
r.name = fmt.Sprintf("%c%c%03d", 'A'+byte(a1), 'A'+byte(a2), n)
if r.name == start {
panic("all valid robot names issued")
}
}
issued[r.name] = true
return r.name
}
func (r *Robot) Reset() {
*r = Robot{}
}
Version data entries
365 entries across 365 versions & 1 rubygems