Plack::Middleware::Chunked - Applies chunked encoding to the response body

  # Mostly from server implemenations
  $app = Plack::Middeware::Chunked->wrap($app);

Plack::Middeware::Chunked is a middleware, or rather a library for PSGI server to automatically add chunked encoding to the response body when Content-Length is not set in the response header.

Tatsuhiko Miyagawa

Rack::Chunked