Message::Passing::Filter::Mangle - Filter and/or mangle messages the way you want.
This filter takes a sub which is called with the same arguments as "filter" in Message::Passing::Role::Filter minus $self.
It's intended for use with Message::Passing::DSL when you don't want to write a named filter.
Calls filter_function passing on all received arguments but $self.
This module exists due to the wonderful people at Suretec Systems Ltd. <http://www.suretecsystems.com/> who sponsored its development for its VoIP division called SureVoIP <http://www.surevoip.co.uk/> for use with the SureVoIP API - <http://www.surevoip.co.uk/support/wiki/api_documentation>