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344 B

package mathx
import (
"math/rand"
"sync"
"time"
)
type Probe struct {
r *rand.Rand
lock sync.Mutex
}
func NewProbe() *Probe {
return &Probe{
r: rand.New(rand.NewSource(time.Now().UnixNano())),
}
}
func (p *Probe) TrueOnProbe(probe float64) bool {
p.lock.Lock()
truth := p.r.Float64() < probe
p.lock.Unlock()
return truth
}