awesome-patterns/creational/object_pool.go

package pool

type Pool chan *Object

func New(total int) *Pool {
	p := make(Pool, total)

	for i := 0; i < total; i++ {
		p <- new(Object)
	}

	return &p
}



p := New(2)

select {
case obj := <-p:
	obj.Do( /*...*/ )

	p <- obj
default:
	// No more objects left — retry later or fail
	return
}