OMeta: an Object-Oriented Language for Pattern MatchingOMeta: an Object-Oriented Language for Pattern Matching OMeta is a new object-oriented language for pattern matching. It is based on a variant of Parsing Expression Grammars (PEGs) which we have extended to handle arbitrary data types. OMeta's general-purpose pattern matching facilities provide a natural and convenient way for programmers to implement tokenizers, parsers, visitors, and tree transf
