../code/conceptPage.scroll id rpp name R++ appeared 1990 tags pl lab Bell Labs country United States wikipedia https://en.wikipedia.org/wiki/R%2B%2B summary R++ is a rule-based programming language based on C++. The United States patent describes R++ as follows: The R++ extension permits rules to be defined as members of C++ classes. The programming system of the invention takes the classes with rules defined using R++ and generates C++ code from them in which the machinery required for the rules is implemented completely as C++ data members and functions of the classes involved in the rules. R++ was developed by Bell Labs in the 1990s, but due to the Bell System divestiture that split the legal rights to the work developed at the Laboratories between AT&T and Lucent, did not see immediate commercial development while the two companies disputed ownership. created 2006 backlinksCount 12 pageId 8387439 revisionCount 32 dailyPageViews 20 appeared 1990