Connection pool example for Go

pool.go

type ConnectionPool chan *Conn

func (p *ConnectionPool) Checkout() *Conn {
  <- p
}

func (p *ConnectionPool) Checkin(conn *Conn) {
  p <- conn
}

// ...............

pool := make(ConnectionPool, 20)
conn := pool.Checkout()
defer pool.Checkin(conn)

// do some shit with conn