gocron/vendor/github.com/silenceper/pool/pool.go

package pool

import "errors"

var (
	//ErrClosed 连接池已经关闭Error
	ErrClosed = errors.New("pool is closed")
)

//Pool 基本方法
type Pool interface {
	Get() (interface{}, error)

	Put(interface{}) error

	Close(interface{}) error

	Release()

	Len() int
}