NAME

Data::Transform::Identity - a no-op filter that passes data through unchanged

SYNOPSIS

#!perl

use Term::ReadKey;
use POE qw(Wheel::ReadWrite Filter::Stream);

POE::Session->create(
  inline_states => {
    _start => sub {
      ReadMode "ultra-raw";
      $_[HEAP]{io} = POE::Wheel::ReadWrite->new(
        InputHandle => \*STDIN,
        OutputHandle => \*STDOUT,
        InputEvent => "got_some_data",
        Filter => POE::Filter::Stream->new(),
      );
    },
    got_some_data => sub {
      $_[HEAP]{io}->put("<$_[ARG0]>");
      delete $_[HEAP]{io} if $_[ARG0] eq "\cC";
    },
    _stop => sub {
      ReadMode "restore";
      print "\n";
    },
  }
);

POE::Kernel->run();
exit;

DESCRIPTION

Data::Transform::Identity passes data through unchanged. It follows Data::Transform's API and implements no new functionality.

In the "SYNOPSIS", POE::Filter::Stream is used to collect keystrokes without any interpretation and display output without any embellishments.

SEE ALSO

Data::Transform

AUTHORS & COPYRIGHTS

See Data::Transform