Sendgrid with interface

sendgrid_with_interface.go

package sendgrid

type SendGrid interface {
  SendValidationEmail(email string) error
  SendPasswordChangeEmail(email string) error
}

// sendgrid is our Sendgrid implementation.
type sendgrid struct {
  /* impl */
}

func NewSendGrid(host string) SendGrid {
  return &sendgrid{host}
}

func (s *sendgrid) SendValidationEmail(email string) error {
    /* impl */
}

func (s *sendgrid) SendPasswordChangeEmail(email string) error {
    /* impl */
}