package pool type SingleConnPool struct { cn *Conn } var _ Pooler = (*SingleConnPool)(nil) func NewSingleConnPool(cn *Conn) *SingleConnPool { return &SingleConnPool{ cn: cn, } } func (p *SingleConnPool) Get() (*Conn, bool, error) { return p.cn, false, nil } func (p *SingleConnPool) Put(cn *Conn) error { if p.cn != cn { panic("p.cn != cn") } return nil } func (p *SingleConnPool) Remove(cn *Conn, _ error) error { if p.cn != cn { panic("p.cn != cn") } return nil } func (p *SingleConnPool) Len() int { return 1 } func (p *SingleConnPool) FreeLen() int { return 0 } func (p *SingleConnPool) Stats() *Stats { return nil } func (p *SingleConnPool) Close() error { return nil }