The 'Streamulus' (template, header-only) library by Irit Katriel (at < https://github.com/iritkatriel/streamulus>) provides a very powerful yet convenient framework for stream processing. This package connects 'Streamulus' to R by providing both the header files and all examples.
Connecting Streamulus and R
The Streamulus template / header-only library by Irit Katriel provides a very nice C++ stream processing environment--a domain-specific embedded language for stream processing.
This package provides the Streamulus headers and uses Rcpp for a convenient bi-directional connection to the C++ layer.
Dirk Eddelbuettel for this package
Irit Katriel for Streamulus
GPL (>= 3) just like Streamulus