app/helpers/sessions_helper.rb
# Logs out the current user.
Logs out the current user.
Logs out the current user .
def log_out
    current_user && forget(current_user)
    session.delete(:user_id)
    @current_user = nil
  end
def log_out current_user && forget ( current_user ) session . delete ( :user_id ) @current_user = nil end
Logs out the current user.
Logs out the current user .
#session.delete(:user_id) #@current_user = nil