// +build js

package sync

import "unsafe"

type Pool struct {
	local     unsafe.Pointer
	localSize uintptr

	store []interface{}
	New   func() interface{}
}

func (p *Pool) Get() interface{} {
	if len(p.store) == 0 {
		if p.New != nil {
			return p.New()
		}
		return nil
	}
	x := p.store[len(p.store)-1]
	p.store = p.store[:len(p.store)-1]
	return x
}

func (p *Pool) Put(x interface{}) {
	if x == nil {
		return
	}
	p.store = append(p.store, x)
}

func runtime_registerPoolCleanup(cleanup func()) {
}