phpman > perldoc > CGI::Session::ErrorHandler(3pm)

NAME
    CGI::Session::ErrorHandler - error handling routines for CGI::Session

SYNOPSIS
        require CGI::Session::ErrorHandler;
        @ISA = qw( CGI::Session::ErrorHandler );

        sub some_method {
            my $self = shift;
            unless (  $some_condition ) {
                return $self->set_error("some_method(): \$some_condition isn't met");
            }
        }

DESCRIPTION
    CGI::Session::ErrorHandler provides set_error() and errstr() methods for setting and accessing
    error messages from within CGI::Session's components. This method should be used by driver
    developers for providing CGI::Session-standard error handling routines for their code

  METHODS
    set_error($message)
        Implicitly defines $pkg_name::errstr and sets its value to $message. Return value is always
        undef.

    errstr()
        Returns whatever value was set by the most recent call to set_error(). If no message as has
        been set yet, the empty string is returned so the message can still concatenate without a
        warning.

LICENSING
    For support and licensing information see CGI::Session.