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pool.go
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pool.go
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package gosync
import "sync"
type Pool struct {
mx sync.RWMutex
vals []interface{}
}
func NewPool() *Pool {
return new(Pool)
}
func (q *Pool) Push(value interface{}) {
q.mx.Lock()
defer q.mx.Unlock()
q.vals = append(q.vals, value)
}
func (q *Pool) Pop() (val interface{}) {
q.mx.Lock()
defer q.mx.Unlock()
if len(q.vals) > 0 {
val = q.vals[0]
q.vals = q.vals[1:]
}
return
}
func (q *Pool) PopAll() (vals []interface{}) {
q.mx.Lock()
defer q.mx.Unlock()
vals = q.vals
q.vals = nil
return
}
func (q *Pool) Size() int {
q.mx.RLock()
defer q.mx.RUnlock()
return len(q.vals)
}
func (q *Pool) Values() []interface{} {
q.mx.RLock()
defer q.mx.RUnlock()
vv := make([]interface{}, len(q.vals))
copy(vv, q.vals)
return vv
}
func (q *Pool) String() string {
q.mx.RLock()
defer q.mx.RUnlock()
return encString(q.vals)
}
func (q *Pool) Strings() []string {
q.mx.RLock()
defer q.mx.RUnlock()
ss := make([]string, 0, len(q.vals))
for _, v := range q.vals {
ss = append(ss, encString(v))
}
return ss
}
func (q *Pool) Clear() {
q.mx.Lock()
defer q.mx.Unlock()
q.vals = nil
}