The first stable release of the 2.0 series works with popular applications such as Rails and tDiary, according to the Ruby.org
New language features, debug support and performance enhancements are among the new updates to Ruby 2.0.0, the first stable release of 2.0 series of the object oriented programming language.
In a statement accompanying the release, Ruby.org said 2.0.0 will be compatible with earlier versions of the language although users may encounter some difficulties with much older versions and support widely used applications.
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-Language core features such as key arguments that provide flexibility to the application programming interface (API) design
-DTrace debug support which enables run-time diagnosis in production
-TracePoint which is an improved tracing API
-Kernel optimization to make Rails startup faster
-Virtual machine optimization
-Float operation optimization
Ruby 2.0.0 also comes with documentation improvements.
“We have added a huge amount of rdoc for modules and methods,” Ruby.org said. “2.0.0 will be around 75 per cent document while 1.9.3 was about 60 per cent.”
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