app/models/user.rb
def create_authentication_token
    loop do
      token = Devise.friendly_token
      break token unless User.find_by(authentication_token: token)
    end
  end
# Include default devise modules. Others available are:
# :lockable and :timeoutable
Include default devise modules. Others available are:
:lockable and :timeoutable
Include default devise modules . Others available are : : lockable and : timeoutable
def create_authentication_token
    loop do
      token = Devise.friendly_token
      break token unless User.find_by(authentication_token: token)
    end
  end
def create_authentication_token loop do token = Devise . friendly_token break token unless User . find_by ( authentication_token : token ) end end
Include default devise modules.
Include default devise modules .